| gptkbp:instanceOf | gptkb:football gptkb:American_football
 
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                                | gptkbp:All-Star | gptkb:National_Football_League 
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                                | gptkbp:broadcastOn | gptkb:CBS gptkb:ESPN
 gptkb:NBC
 gptkb:Amazon_Prime_Video
 gptkb:FOX
 
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                                | gptkbp:championships | gptkb:National_Football_League 
 | 
                        
                            
                                | gptkbp:coachOfTheYearAward | gptkb:NFL_Coach_of_the_Year 
 | 
                        
                            
                                | gptkbp:commissioner | gptkb:Roger_Goodell 
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                                | gptkbp:conference | gptkb:AFC gptkb:NFC
 
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                                | gptkbp:duration | 60 minutes 
 | 
                        
                            
                                | gptkbp:equipment | gptkb:football gptkb:shield
 shoulder pads
 
 | 
                        
                            
                                | gptkbp:event | gptkb:NFL_Draft 
 | 
                        
                            
                                | gptkbp:fieldSize | 100 yards 53.3 yards
 
 | 
                        
                            
                                | gptkbp:foundedYear | 1920 
 | 
                        
                            
                                | gptkbp:governingBody | gptkb:National_Football_League 
 | 
                        
                            
                                | gptkbp:halftimeDuration | 12 minutes 
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                                | gptkbp:hallOfFame | gptkb:Pro_Football_Hall_of_Fame 
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                                | gptkbp:internationalGames | gptkb:NFL_International_Series 
 | 
                        
                            
                                | gptkbp:mainEvent | gptkb:National_Football_League 
 | 
                        
                            
                                | gptkbp:most_successful_club | gptkb:New_England_Patriots gptkb:Pittsburgh_Steelers
 
 | 
                        
                            
                                | gptkbp:MVP | gptkb:NFL_Most_Valuable_Player 
 | 
                        
                            
                                | gptkbp:numberOfPlayers | 11 
 | 
                        
                            
                                | gptkbp:numberOfTeams | 32 
 | 
                        
                            
                                | gptkbp:officialBall | Wilson The Duke 
 | 
                        
                            
                                | gptkbp:officialWebsite | nfl.com 
 | 
                        
                            
                                | gptkbp:originalName | gptkb:American_Professional_Football_Association 
 | 
                        
                            
                                | gptkbp:overtime | modified sudden death 
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                                | gptkbp:playoffFormat | single-elimination 
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                                | gptkbp:popularFor | gptkb:United_States 
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                                | gptkbp:quarterDuration | 15 minutes 
 | 
                        
                            
                                | gptkbp:regularSeasonStartDate | 17 
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                                | gptkbp:renamed | 1922 
 | 
                        
                            
                                | gptkbp:rookieOfTheYear | gptkb:NFL_Defensive_Rookie_of_the_Year gptkb:NFL_Offensive_Rookie_of_the_Year
 
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                                | gptkbp:salaryCap | yes 
 | 
                        
                            
                                | gptkbp:scoredFor | safety extra point
 field goal
 touchdown
 two-point conversion
 
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                                | gptkbp:seasonDuration | September to February 
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                                | gptkbp:bfsParent | gptkb:Intellivision_games gptkb:Mattel_Electronics
 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | NFL Football 
 |