Question: Steven Levert "Steve" Clarkson, is an American football coach, Clarkson has tutored Ben Roethlisberger, an American football quarterback for which sports organization, of the National Football League (NFL)?
Sentence (from "Steve Clarkson"): Clarkson is also known for helping to get offers for David Sills from University of Southern California and Tate Martell from the University of Washington at ages of 13.
Relevant evidence: No