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?

Related documents: [0]  [DOC] 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. It was the Crimson Tide's 119th overall season, 80th as a member of the Southeastern Conference (SEC) and its 22nd within the SEC Western Division. The team was led by head coach Nick Saban, in his seventh year, and played its home games at Bryant–Denny Stadium in Tuscaloosa, Alabama. They finished the season with a record of eleven wins and two losses (11–2 overall, 7–1 in the SEC) and with a loss in the 2014 Sugar Bowl to Oklahoma. [END] 
[1]  [DOC] 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. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 15th season as head coach. They played their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. They were a charter member of the Big 12 Conference. [END]  
Answer: Bob Stoops
Bob Stoops