Question: Which head coach of these two teams--Alabama Crimson Tide and Oklahoma Sooners--had the longest time with their team during the 2013 football season?
Sentence (from "2013 Oklahoma Sooners football team"): The 2013 Oklahoma Sooners football team represented the University of Oklahoma in the 2013 NCAA Division I FBS football season, the 119th season of Sooner football.
Relevant evidence: Yes