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 1923 college football team coached by Bill Roper was from which state?" whose answer is New Jersey.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Bill Roper college football coach 1923
Useful Output:

Doc 1: William Winston Roper (August 22, 1880 – December 10, 1933) was an American football, basketball, and baseball player and coach.
Doc 2: Roper's record for 17 years at Princeton was 96-28-17. His Tiger squads were unbeaten in 1906, 1911, 1920, 1922; they lost one game in 1910, 1925, 1926, 1927,
Doc 3:  Coach: Bill Roper Captain: John W. Davis, Jr. Overall: 5-1-1. AMHERST W 14-7. WASHINGTON & LEE T 7-7. NAVY L 13-27. LEHIGH W 7-6. SWARTHMORE W
Doc 4: During his first stint as the head coach at Princeton, he compiled a 21–4–4 record. Roper coached football at the University of Missouri for the
Doc 5: Bill Roper, former head coach at Princeton, who was one of the officials of the game, said that he had always believed that such playing was possible under the