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: "William Frederick Truax was traded by the Los Angeles Rams to the Dallas Cowboys for a wide receiver who played college football at what university?" whose answer is University of Oklahoma.
Each document should contain about 30 words, and these documents should contain useful information.

Query: William Frederick Truax trade Dallas Cowboys Los Angeles Rams
Useful Output:

Doc 1: Following his collegiate campaign, Truax played 10 seasons (1964-73) in the NFL for the Los Angeles Rams and the Dallas Cowboys. Truax helped
Doc 2: For his outstanding career at all levels, Truax was inducted into the Allstate Sugar Bowl's Greater New Orleans Sports Hall of Fame in 2019.
Doc 3:  Dallas Cowboys, and Los Angeles Rams. He played college football at the  On May 19, 1971, Rentzel was traded to the Los Angeles Rams in exchange for tight end
Doc 4: William Frederick Truax (born July 15, 1943) is a former American football tight end in the National Football League (NFL) for the Los Angeles Rams and
Doc 5: He signed with Cleveland, but after sitting out weeks with an injury, he was traded to the Los Angeles Rams. He would go on to win a Super Bowl with the Dallas