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 "Matt Barkley"): Matthew Montgomery Barkley (born September 8, 1990) is an American football quarterback who is currently a free agent.
Relevant evidence: Yes