Question: Sam "Sammy" Jack Claphan (born October 10, 1956) attended high school at Stilwell High School in Stilwell, Oklahoma, he was recruited by Head Coach Barry Layne Switzer, a former American football player and coach, born on which date?
Sentence (from "Barry Switzer"): He has one of the highest winning percentages of any college football coach in history, and is one of only three head coaches to win both a college football national championship and a Super Bowl, the others being Jimmy Johnson and Pete Carroll.
Relevant evidence: No