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: "In between The Postal Service and Chagall Guevara which one was formed in 1989?" whose answer is Chagall Guevara.
Each document should contain about 30 words, and these documents should contain useful information.

Query: formation year Chagall Guevara
Useful Output:

Doc 1: Chagall Guevara was formed in 1989 by solo artist Steve Taylor, guitarists Dave Perkins and Lynn Nichols, drummer Mike Mead and bassist Wade
Doc 2: He couldn't conform, so he formed a secular alternative rock band called Chagall Guevara. The song “Murder in the Big House” could have been
Doc 3: Writing for Rolling Stone, here's what Parke Puterbaugh said about Chagall Guevara's 1991 self-titled debut: “Not since the Clash has a group so
Doc 4: Recorded at a show in 1991, it features Chagall Guevara playing most of the material from their first album, along with a couple of other
Doc 5: The band's 1991 self-titled debut on MCA Records earned them a Rolling Stone Magazine review that declared that “Not since the Clash has a group