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: "Did Juan Sebastián Cabal and Paul Haarhuis both win Grand Slam doubles titles at tennis?" whose answer is yes.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Juan Sebastián Cabal Grand Slam doubles titles
Useful Output:

Doc 1: Colombian top seeds Juan Sebastian Cabal and Robert Farah have won the US Open men's doubles title, their second consecutive Grand Slam.
Doc 2: Colombia's Juan Sebastian Cabal and Robert Farah win the Wimbledon men's doubles title with a thrilling five-set victory in almost five hours
Doc 3: Juan Sebastian Cabal and Robert Farah won the 2019 US Open, their second Grand Slam title in two months, under difficult circumstances.
Doc 4: Meanwhile, the Colombian pair have become just the third men's doubles team since 2003 to win both Wimbledon and the US Open in a single season.
Doc 5: Juan Sebastian Cabal and Robert Farah win gentlemen's doubles at Wimbledon 2019 · Comments407.