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 won the 2017 french open men's singles?" whose answer is Rafael Nadal.
Each document should contain about 30 words, and these documents should contain useful information.

Query: 2017 French Open men's singles winner
Useful Output:

Doc 1: The winner of 2017 French Open badminton men's singles title is Kidambi Srikanth. Kidambi Srikanth of India beats Kenta Nishimoto of Japan in
Doc 2: French Open men's singles champion Rafa Nadal  - Won his second Grand Slam of 2017 at Flushing Meadows after a 10th French Open title in June.
Doc 3: Match of the day #14 - Rafael Nadal v Stan Wawrinka Men's Final | Roland-Garros 2017. Let's have a focus on the Rafael Nadal and Stan
Doc 4: Rafael Nadal v Stan Wawrinka Highlights - Men's Final 2017 I Roland-Garros. Watch the best moments of the match opposing Rafael Nadal and
Doc 5: Andy Murray and Stan Wawrinka booked their spot in the next round of the 2017 French Open on Saturday with routine wins over Juan Martin del