Question: Many Heisman winners were unsuccessful at the professional level, including, among others, Jason White, an American former college football quarterback who played for what university?
Sentence (from "Jason White (American football)"): Jason White (born June 19, 1980) is an American former college football quarterback who played for the University of Oklahoma, was recognized as a unanimous All-American, and won the Heisman Trophy in 2003.
Relevant evidence: Yes