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 "Greg McElroy"): Gregory Vincent "Greg" McElroy, Jr. (born May 10, 1988) is a former American football quarterback of the National Football League.
Relevant evidence: No