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: "when were lord of the rings books written?" whose answer is between 1937 and 1949.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when were lord of the rings books written
Useful Output:

Doc 1: Like James Joyce and Dr. Seuss, J.R.R. Tolkien, author of The Lord of the Rings epic, has an annual day devoted to reveling in his books.
Doc 2: The Lord of the Rings is a fantasy novel that was originally published in three parts (1954–55) by J.R.R. Tolkien. It tells the story of the
Doc 3: Happy birthday, Frodo. J.R.R. Tolkien's “Lord of the Rings: The Fellowship of the Ring” debuted July 29, 1954; the next two books were
Doc 4: The Lord of the Rings is one of the best-selling books ever written, with over 150 million copies sold. The book's title refers to the story's
Doc 5: These are, of course, the Lord of the Rings novels — The Fellowship of the Ring, The Two Towers, and The Return of the King. The Lord of the