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: "Who joined their band first, Paul Roberts with The Stranglers or Joey Cape with Lagwagon?" whose answer is Active since 1989, Cape is best known as the frontman of the California punk rock band Lagwagon.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Paul Roberts The Stranglers joining date
Useful Output:

Doc 1: Roberts — who plays Emperor Ming in the show, coming to Colne and Oswaldtwistle — fronted The Stranglers for 16 years, from 1990 to 2006,
Doc 2: Gravel-voiced Paul Roberts from The Stranglers picked up the mic in 1990. Find out how it was for the new-wave punk on the block.
Doc 3: After 16 years of collaboration as The Stranglers' frontman, Paul and the band amicably split in 2006 leaving Paul to explore his solo career.
Doc 4: The Stranglers formed in 1974, 40 years ago, and are still going strong, even if original front-man Hugh Cornwell moved on in 1990.
Doc 5: Appeared all over the world on stage, prime-timeTV, radio and theatre. Fronted major UK band 'the Stranglers' for 16 years 1990-2006