Question: The 2010 Washington Redskins Trent Williams was considered one of the best tackle prospects available for the 2010 NFL Draft, who was the Head Coach of the team at that time?
Sentence (from "Trent Williams"): Trent Williams (born July 19, 1988) is an American football offensive tackle for the Washington Redskins of the National Football League (NFL).
Relevant evidence: No