Question: The 1981 NFL season was the 62nd regular season of the National Football League, that ended with a game between the San Francisco 49ers of the National Football Conference and what winner of the American Football Conference? 
Sentence (from "Super Bowl XVI"): Super Bowl XVI was an American football game between the National Football Conference (NFC) champion San Francisco 49ers and the American Football Conference (AFC) champion Cincinnati Bengals to decide the National Football League (NFL) champion for the 1981 season.
Relevant evidence: Yes