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 Alabama Crimson Tide football team"): 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.
Relevant evidence: Yes