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 the chevy malibu change body styles?" whose answer is 1997.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the chevy malibu change body styles
Useful Output:

Doc 1: The 2012 Malibu is the 7th generation body style and it's significantly different than the 2013-2015 Malibu. They do share 6-speed transmissions
Doc 2: The Malibu was offered in four different body styles from 1964  Redesigned for 1968, Malibu received a new fastback style that
Doc 3: The sixth generation saw two body styles, the 4-door sedan, and the short-lived 5-door Malibu MAXX hatchback. The seventh generation Malibu was
Doc 4: For 1967, the same assortment of bodystyles were continued with styling changes similar to all other Chevelles including a new grille and revised tail
Doc 5: The Chevrolet Malibu first appeared in 1964. Several generations followed until 1983, when the Malibu went on hiatus until 1997.