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?
2013 Alabama Crimson Tide football team: The 2013 Alabama Crimson Tide football team (variously "Alabama", "UA", "Bama" or "The Tide") represented the University of Alabama in the 2013 NCAA Division I FBS football season. 2013 Oklahoma Sooners football team:  The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 15th season as head coach.
i don't know