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?

full_context: Document 1: 2005 Oklahoma Sooners football team: The 2005 Oklahoma Sooners football team represented the University of Oklahoma in the 2005 NCAA Division I-A football season, the 111th season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his seventh 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.
Document 2: 2012 Oklahoma Sooners football team: The 2012 Oklahoma Sooners football team represented the University of Oklahoma in the 2012 NCAA Division I FBS football season, the 118th season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 14th 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.
Document 3: 1965 Alabama Crimson Tide football team: The 1965 Alabama Crimson Tide football team (variously "Alabama", "UA" or "Bama") represented the University of Alabama in the 1965 college football season. It was the Crimson Tide's 71st overall and 32nd season as a member of the Southeastern Conference (SEC). The team was led by head coach Bear Bryant, in his eighth year, and played their home games at Denny Stadium in Tuscaloosa, Legion Field in Birmingham and Ladd Stadium in Mobile, Alabama. They finished season with nine wins, one loss and one tie (9–1–1 overall, 6–1–1 in the SEC), as SEC champions and with a victory over Nebraska in the Orange Bowl. Alabama was also recognized as national champions by the AP Poll after their Orange Bowl win.
Document 4: 2014 Oklahoma Sooners football team: The 2014 Oklahoma Sooners football team represented the University of Oklahoma in the 2014 NCAA Division I FBS football season, the 120th season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 16th season as head coach. They played their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. They were a member of the Big 12 Conference.
Document 5: Alabama Crimson Tide football: The Alabama Crimson Tide football program represents the University of Alabama (variously Alabama, UA, or 'Bama) in the sport of American football. The team competes in the Football Bowl Subdivision (FBS) of the National Collegiate Athletic Association (NCAA) and the Western Division of the Southeastern Conference (SEC). The team is currently coached by Nick Saban. The Crimson Tide is among the most storied and decorated football programs in NCAA history. Since beginning play in 1892, the program claims 16 national championships, including 11 wire-service (AP or Coaches) national titles in the poll-era, and five other titles before the poll-era. From 1958 to 1982, the team was led by Hall of Fame coach Paul "Bear" Bryant, who won six national championships with the program. Despite numerous national and conference championships, it was not until 2009 that an Alabama player received a Heisman Trophy, when running back Mark Ingram became the university's first winner. In 2015, Derrick Henry became the university's second Heisman winner.
Document 6: 2003 Oklahoma Sooners football team: The 2003 Oklahoma Sooners football team represented the University of Oklahoma in the 2003 NCAA Division I-A football season, the 109th season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner (winning his second one that season), Bob Stoops, in his fifth 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.
Document 7: 2010 Oklahoma Sooners football team: The 2010 Oklahoma Sooners football team represented the University of Oklahoma in the 2010 NCAA Division I FBS football season, the 116th season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 12th 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.
Document 8: 2015 Oklahoma Sooners football team: The 2015 Oklahoma Sooners football team represented the University of Oklahoma in the 2015 NCAA Division I FBS football season, the 121st season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 17th 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.
Document 9: 2016 Oklahoma Sooners football team: The 2016 Oklahoma Sooners football team represented the University of Oklahoma in the 2016 NCAA Division I FBS football season, the 122nd season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 18th season as head coach. They played their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. They are a charter member of the Big 12 Conference.
Document 10: 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. 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.
Document 11: 1983 Alabama Crimson Tide football team: The 1983 Alabama Crimson Tide football team (variously "Alabama", "UA", "Bama" or "The Tide") represented the University of Alabama in the 1983 NCAA Division I-A football season. It was the Crimson Tide's 91st overall and 50th season as a member of the Southeastern Conference (SEC). The team was led by head coach Ray Perkins, in his first year, and played their home games at both Bryant–Denny Stadium in Tuscaloosa and Legion Field in Birmingham, Alabama. They finished the season with a record of eight wins and four losses (8–4 overall, 4–2 in the SEC). Ray Perkins, who played as a wide receiver for Bear Bryant in the 1960s, was named as the new head coach at Alabama on December 14, 1982, to succeed Bryant after his 25-year tenure as Alabama's head coach.
Document 12: 1979 Alabama Crimson Tide football team: The 1979 Alabama Crimson Tide football team (variously "Alabama", "UA" or "Bama") represented the University of Alabama in the 1979 NCAA Division I-A football season. It was the Crimson Tide's 85th overall and 46th season as a member of the Southeastern Conference (SEC). The team was led by head coach Bear Bryant, in his 22nd year, and played their home games at Bryant–Denny Stadium in Tuscaloosa and Legion Field in Birmingham, Alabama. They finished the season undefeated (12–0 overall, 6–0 in the SEC) and with a victory over Arkansas in the Sugar Bowl. For their collective efforts, the Crimson Tide were recognized as consensus national champions for the 1979 season.
Document 13: 1984 Alabama Crimson Tide football team: The 1984 Alabama Crimson Tide football team (variously "Alabama", "UA", "Bama" or "The Tide") represented the University of Alabama in the 1984 NCAA Division I-A football season. It was the Crimson Tide's 92nd overall and 51st season as a member of the Southeastern Conference (SEC). The team was led by head coach Ray Perkins, in his second year, and played their home games at both Bryant–Denny Stadium in Tuscaloosa and Legion Field in Birmingham, Alabama. They finished the season with a record of five wins and six losses (5–6 overall, 2–4 in the SEC). This marked Alabama's first losing season since the Tide went 2–7–1 in 1957 under Jennings B. Whitworth, and ended Alabama's streak of 25 consecutive bowl appearances.
Document 14: Alabama Crimson Tide football under Nick Saban: Alabama Crimson Tide football under Nick Saban covers the history of the Alabama Crimson Tide football team during the period from when Nick Saban was hired as head coach in 2007 through the present. Under Saban, Alabama plays as part of the National Collegiate Athletic Association (NCAA) Football Bowl Subdivision (FBS), and is a member of the West Division of the Southeastern Conference (SEC). The Crimson Tide plays its home games at Bryant–Denny Stadium in Tuscaloosa, Alabama. During the nine years Saban has served as head football coach, Alabama has compiled an overall official record of 101–18 ( ) (106–18 on the field), seven bowl game appearances with five victories, a share of five SEC Western Division titles, four SEC championships, and four national championships. Since 2008, Saban's teams have spent all or part of each season ranked number 1 in national polls.
Document 15: 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. 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.
ground_truth: Bob Stoops