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: "what was the last year for cadillac dts?" whose answer is 2011.
Each document should contain about 30 words, and these documents should contain useful information.

Query: last year Cadillac DTS produced
Useful Output:

Doc 1: The Cadillac DTS-L was an ultra-luxurious sedan with a discrete 6” stretch made by DaBryan Coach Builders for the 2007 & 2008 model years.
Doc 2: Earlier this month the Cadillac STS ended production and this past week the same fate befell its bigger brother, the DTS, with the last
Doc 3: First year of production: 2005 (2006 model year) · Last year of production: 2011 · Total sold: 211,518 · Original price (base): $41,990 (including
Doc 4: The final production year, 2011 Cadillac DTS, which was expected to  The Cadillac DTS can last between 150,000 and 200,000 miles with proper
Doc 5: The DTS ceased production at the end of the 2011 model year. Image. 2000-2005 DeVille sedan. Image. 2008 DTS-L by DaBryan Coach Builders. Image.