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: "In what year was Robert M. Pirsig's most famous book first published?" whose answer is 1974.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Robert M. Pirsig Zen and the Art of Motorcycle Maintenance publication year
Useful Output:

Doc 1: On May 20, 1974, soon after the initial publication of Zen and the Art of Motorcycle Maintenance, Robert M. Pirsig addressed students at the
Doc 2: Robert M. Pirsig on Zen and the Art of Motorcycle Maintenance and quality, Minneapolis, 1974 · Comments195.
Doc 3: Zen and the Art of Motorcycle Maintenance became a million-selling classic after its publication in 1974, after more than 100 publishers
Doc 4: I well remember pulling Robert Pirsig's Zen and the Art of Motorcycle Maintenance  years after Zen came out). It is a book “filled with
Doc 5: It sounds horrible, but it's actually what happened to the author. Years later, he is working a low profile job not related to philosophy when