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 year did they stop making impala ss?" whose answer is 1969.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Chevrolet Impala SS discontinued
Useful Output:

Doc 1: The entire B-body line, consisting of the Chevrolet Caprice, Impala SS, and Buick Roadmaster, was discontinued, as GM wanted more assembly
Doc 2: GM Discontinues Chevy Impala, Focuses On Electric Vehicles.  2014-2020 Chevrolet Impala - IO6 Factory GPS Navigation Upgrade - Easy Plug & Play
Doc 3: The Chevrolet Impala also went dark along with the B platform when the one-off Impala SS (1994-1996) was discontinued. It took Chevrolet
Doc 4: The B-platform underpinning the Chevy Caprice, Impala SS and Buick Roadmaster was discontinued and, with it, the Impala. Advertisement
Doc 5: Later on, the Impala became a stand-alone model, sold until 1985 when it was discontinued after six generations. But, GM then introduced the