You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the 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?" whose answer is Mike Shanahan.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Washington Redskins head coach 2010
Useful Output:

Doc 1: Head Coach: Mike Shanahan, Offensive Coordinator: Kyle Shanahan, Defensive Coordinator: Jim Haslett, Other Assistant Coaches: Chris Foerster (OL Coach), Matt
Doc 2: Jim Zorn has been fired as the head coach of the Washington Redskins, the team announced Monday morning.
Doc 3: And proceeded to get rid of all that coaching talent and hired Jay Gruden as the head coach.
Doc 4:  Redskins as head coach in January 2010. During his NFL coaching career, Shanahan has been a part of teams that have played in 10 AFC or NFC
Doc 5: Shanahan was named head coach of the Redskins in 2010, and under his leadership the Redskins held a record of 24-40, the worst record of any