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: "when did they start making the jeep srt8?" whose answer is July 16, 2011.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did they start making the jeep srt8
Useful Output:

Doc 1: In 2011, the new fourth generation Grand Cherokee arrived featuring more space and refinement, and the next generation Grand Cherokee SRT8
Doc 2:  Jeep's performance range since the SRT-8 was introduced in 2006. 2013 Chrysler 300 SRT8 Core engine. 6. Powering the Grand Cherokee SRT-8 all
Doc 3: Body style: SUV (Sports Utility Vehicle) ; Segment: Large SUV ; Production years: 2006, 2007, 2008, 2009, 2010. Engine options: 1.
Doc 4: Jeep introduced the second generation of the SRT8 lineup in 2012 as the high-performance version of the WK Grand Cherokee. The American
Doc 5: The release of the 420-horsepower Grand Cherokee SRT8 in 2006 did a lot to change that reputation, and since then Jeep has made build fast SUVs