Question: When was the coach the went 0-8 in the rivalry between the University of Oklahoma Sooners and the Oklahoma State University Cowboys of the Big 12 Conference, fired?
Sentence (from "Cliff Speegle"): Clifton M. Speegle (November 4, 1917 – September 5, 1994) was an American football player, coach, and college athletics administrator.
Relevant evidence: No