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: "how many doubles grand slams has jamie murray won?" whose answer is five.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Jamie Murray men's doubles grand slams
Useful Output:

Doc 1: Over a distinguished career, 37-year-old Murray has won seven Grand Slam titles - two in men's doubles alongside Bruno Soares and five in mixed.
Doc 2: He is one of four active British men's doubles players to have won a Grand Slam in the last 10 years but was the first of the four to do so. In
Doc 3: Teaming up with Australian John Peers, the elder Murray made it to the doubles finals of both Wimbledon and the US Open, making it arguably the
Doc 4: He has won six Grand Slam titles: in mixed doubles at the 2007 Wimbledon Championships, with Jelena Janković, the 2017 Wimbledon Championships
Doc 5: Jamie Murray brilliantly booked his place in a fourth career Grand Slam men's doubles final at the US Open in New York.