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 started Penn Radio?" whose answer is Penn Fraser Jillette.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was Penn Radio at the University of Pennsylvania established
Useful Output:

Doc 1: WXPN (88.5 FM) is a nationally recognized public radio station operated by the University of Pennsylvania, with a focus on rock, blues, roots, and folk music.
Doc 2: The University of Pennsylvania was introduced to radio in 1923, when it formed a partnership with one of Philadelphia's first commercial radio stations to
Doc 3: We are a nonprofit public music service supported by listeners. Over half our operating budget comes from the support of members who love music discovery.
Doc 4: WQHS radio is an entirely student-run radio station at the University of Pennsylvania. We are housed at the Hollenback Center at 3000 South Street,
Doc 5: WXPN - acronym for "experimental Pennsylvania" - began as a student engineering project in the late 1940s. As the station grew, it became Penn's