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: "Showboat World, written in 1975, is the second, stand-alone novel in a pair of science fiction novels by Jack Vance, was an American mystery, fantasy, and science fiction writer, he also wrote how many mystery novels, under the pseudonym Ellery Queen?" whose answer is three.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Jack Vance Ellery Queen mystery novels
Useful Output:

Doc 1: In the mid-60's Jack Vance wrote three Ellery Queen novels. The Four Johns (1964):. The four of them had only two things in common - their
Doc 2: Three novels of the series were written by Jack Vance, "well-known science fiction writer, who “was one among the few writers that wrote
Doc 3: Four Men Called John by Ellery Queen (Jack Vance) 1st UK Gollancz File Copy (Hardcover). 3.14 3.14 out of 5 stars. 119 ratings by Goodreads · Ellery Queen.
Doc 4: The Four Johns One of Jack Vance's (John Holbrook Vance) mysteries written for Ellery Queen books. Read it again, June 1, 2024. A fun read.
Doc 5: This is an original paperback copy of The Four Johns, written by Jack Vance under the pseudonym of Ellery Queen. The book was published by Pocket Book in 1964