Question: What was the name of the college football bowl game played on December 31 2015 at Sun Life Stadium, Florida where the Clemson tigers defeated the Oklahoma Sooners?
Sentence (from "2015 Clemson Tigers football team"): On December 5, 2015, the Tigers won the 2015 ACC Championship Game by defeating the North Carolina Tar Heels, 45–37, capping their first undefeated regular season since winning the national title in 1981.
Relevant evidence: No