Question: Steven Levert "Steve" Clarkson (born October 31, 1961) is an American football coach, Clarkson has tutored Matthew Montgomery Barkley, an American football quarterback who is currently a free agent, born on which date?
Sentence (from "Steve Clarkson"): Clarkson has tutored Ben Roethlisberger, Brett Hundley, Matt Leinart, J. P. Losman, Gino Torretta, Matt Barkley, Tim Tebow, Josh Freeman, and Jimmy Clausen, among others.
Relevant evidence: Yes