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 the camaro z28 come out?" whose answer is 1980.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first year camaro z28
Useful Output:

Doc 1: Now one of the most famous muscle cars of all time, the rare 1967 Z/28 -- whose name comes from GM's internal code for the car: RPO Z28
Doc 2: The Z28 was released on December 29, 1966, just in time to run in the 1967 Trans-Am series. Its public introduction was low key, and many Camaro
Doc 3: The 1rst 1967 Camaro Z28 produced by Chevrolet & Engine Sound on My Car Story with Lou Costabile · Comments144.
Doc 4: Chevrolet introduced the first Z/28 Camaro in December 1966, but the actual production started in 1967, and here is one fine example with a
Doc 5: Camaro Z28 production began on December 29, 1966. Cars started trickling into dealerships in January and February. Three of the first twenty-