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: "who wrote the theme song for beverly hillbillies?" whose answer is Paul Henning.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who wrote the theme song for the beverly hillbillies
Useful Output:

Doc 1: Beverly Hillbillies Theme Song. The Ballad of Jed Clampett, written by Paul Henning. Performed by Lester Flatt and Earl Scruggs.
Doc 2: Beverly Hillbillies Theme Song. The Ballad of Jed Clampett, written by Paul Henning. Performed by Lester Flatt and Earl Scruggs.
Doc 3: How Paul Henning Created The Beverly Hillbillies Theme Song With No musical Training · Comments19.
Doc 4: Theme song (written by Paul Henning) of The Beverly Hillbillies sitcom is in the key of A, so the 1st string is kept open to play the role of the 5th banjo
Doc 5: An OLD black & white Beverly Hillbillies episode was coming on, and it DID NOT have the "Ballad of Jed Clampett" for the theme. It had a banjo