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 plays john watson in bbc's sherlock?" whose answer is Martin John Christopher Freeman.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who plays john watson in bbc's sherlock
Useful Output:

Doc 1: Subscribe and to the BBC https://bit.ly/BBCYouTubeSub Watch the BBC first on iPlayer https://bbc.in/iPlayer-Home More about this
Doc 2: This article is about the character played by by Martin Freeman in Sherlock BBC. For the his general counterpart from Sherlock Holmes fandom,
Doc 3: Why did Sir Arthur Conan Doyle hate his character, Sherlock Holmes? He didn't really hate him, that's
Doc 4: 1 Martin Freeman — Sherlock (2010-17). Sherlock and Watson on the doorstep, played by Benedict Cumberbatch and Martin Freeman BBC. The Office
Doc 5: Morris Chestnut as John Watson in Watson. BBC's Sherlock was utterly iconic and revolutionized the way stories about Sherlock Holmes are told,