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: "Which worldwide one-percenter motorcycle club was Sonny Barger a founding member of in Oakland, California?" whose answer is Hells Angels Motorcycle Club (HAMC).
Each document should contain about 30 words, and these documents should contain useful information.

Query: Sonny Barger founding member motorcycle club Oakland California
Useful Output:

Doc 1: Sonny Barger, the notorious founding member of the Hells Angels Motorcycle Club, author, ex-convict, occasional Sons of Anarchy actor and one of the bikers
Doc 2: Sonny Barger, a founding member of the Oakland chapter of the Hells Angels who became the face of the motorcycle club, has died.
Doc 3: Thompson books who elevated the Hell's Angels to a national movement, Oakland Hells Angels chapter founder Sonny Barger has passed away at 83.
Doc 4: Sonny Barger, a founding member of the Oakland chapter of the Hells Angels who became the face of the motorcycle club, has died at the age of 83.
Doc 5: Barger, whose real name is Ralph Hubert Barger Jr., founded the Hells Angels Motorcycle Club's original chapter in Oakland, California, in 1957.