Question: Kenneth Maurice Clarke, is a former professional American football defensive tackle who played fourteen seasons in the National Football League, he played in which American football game between the American Football Conference (AFC) champion Oakland Raiders and the National Football Conference (NFC) champion Philadelphia Eagles to decide the National Football League (NFL) champion for the 1980 season, for the Philadelphia Eagles?
{'answer': 'Super Bowl XV', 'supporting_facts': [['Ken Clarke (American football)', 1], ['Super Bowl XV', 0]]}