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: "Manchester City Football Club is a football club in Manchester, England, the club moved to the City of Manchester Stadium, in Manchester, England, also known as the Etihad Stadium for sponsorship reasons, in what year?" whose answer is 2003.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Manchester City moved to Etihad Stadium year
Useful Output:

Doc 1: City moved into the Etihad Stadium in 2003 after it was built for the 2002 Commonwealth Games. It was last expanded in 2015 when 6,000 seats
Doc 2: Manchester City's plans to extend the Etihad Stadium's capacity to more than 60,000 have moved a step closer. The reigning Premier League
Doc 3: The stadium was renamed the Etihad Stadium by the club in July 2011 as part of a ten-year agreement with the team kit sponsors Etihad Airways,
Doc 4: Since Manchester City moved to the Etihad Stadium in 2003, the venue  Manchester Stadium – Maine Road was Manchester City's home ground for
Doc 5: City moved to the stadium in 2003. It initially had a capacity of 38,000 when it was built for the 2002 Commonwealth Games. More on this story.