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 walked the tightrope between the twin towers?" whose answer is Philippe Petit.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who walked the tightrope between the twin towers
Useful Output:

Doc 1: Philippe Petit is a French-born high-wire walker who was best known for crossing between the twin towers of the World Trade Center in 1974.
Doc 2: French tightrope artist Philippe Petit and Sting set to celebrate 50 years of his high-walk between the WTC towers.
Doc 3: Twin Towers tightrope walk: High-wire artist Philippe Petit reflects on historic feat. 96K views · 8 months ago #twintowers #tightrope #
Doc 4: In 1974, French aerialist Philippe Petit threw a tightrope between the two towers of the World Trade Center and spent an hour walking, dancing, and performing
Doc 5: Philippe Petit recreates high-wire walk between World Trade Center's twin towers on 50th anniversary  tightrope walk between the World