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 are the active years of this American rock band, in which John Fogerty was a member?" whose answer is late 1960s and early 1970s.
Each document should contain about 30 words, and these documents should contain useful information.

Query: active years Creedence Clearwater Revival
Useful Output:

Doc 1: August 1969 was a very Creedence month. But so were most months back then. Creedence Clearwater Revival, the most popular band in America,
Doc 2: The band, as it is most famously known, was active from 1959 to 1972. Despite their fairly long career, and even longer when you consider the
Doc 3: CCR sold more records than the Beatles in 1969. The band had an incredible seven Top 5 singles and five Top 10 albums, two of those albums hit
Doc 4: Between 1968 and 1972, having been around for five years, Creedence Clearwater Revival released seven albums, had a dozen songs on the
Doc 5: Active. 1960s - 1970s ; Formed. 1967 in El Cerrito, CA ; Disbanded. October, 1972 ; Genre. Pop/Rock ; Styles. Rock & Roll, Contemporary Pop/Rock, Swamp Pop, AM Pop