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: "The author of "We're Going on a Bear Hunt" has written how many books?" whose answer is 140.
Each document should contain about 30 words, and these documents should contain useful information.

Query: how many books has Michael Rosen written
Useful Output:

Doc 1: Former Children's Laureate Michael Rosen is returning to HarperCollins in a multi-book deal. His last book with the publisher, Shoo!, was published in 2007.
Doc 2: Many Different Kinds of Love: Life, Death, and the NHS by Michael Rosen is published by Ebury. He will also appear in 2020: The Story Of Us, ITV
Doc 3: Complete list of my books  What is Humanism? How do you live without a god? And other big questions for kids, with Annemarie Young, Wayland.
Doc 4: Many of the picture books he wrote revolve around animals, including Rover (1999), Howler (2004), Bear's Day Out (2007), and Bear Flies High (
Doc 5: Rosen is the author of 140 books of poetry and prose, and is our former Children's Laureate. He is tall and lanky; when he sits down at his desk