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: "Which tennis player, Tatiana Golovin and John Newcombe, boasts a highest singles ranking of 12?" whose answer is Tatiana Golovin.
Each document should contain about 30 words, and these documents should contain useful information.

Query: John Newcombe highest singles ranking
Useful Output:

Doc 1: His Australian Open victory in 73 was in a very weak field but I consider his 75 win a great win. Many top pros were absent but he had a very
Doc 2: Newcombe was ranked No. 1 in 1970 and '71, when rankings were determined by a group of journalists before the ATP established an official
Doc 3: ATP Singles Rankings. top 1. ATP double ranking. Top 455. All-time individual record. 568 wins, 227 losses (74.15%). All-time individual record.
Doc 4: ATPNumberOneClub SUBSCRIBE: http://bit.ly/2dj6EhW WEBSITE: http://www.atptour.com/ FACEBOOK: https://www.facebook.com/ATPTour/ TWITTER:
Doc 5: John Newcombe recalls how nearly retiring from the sport actually led him to late charge up the PIF ATP Rankings, claiming No. 1 honours in 1974.