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 mafia lose control of las vegas?" whose answer is the 1980s.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the mafia lose control of las Vegas
Useful Output:

Doc 1: In late January of 1947, The Flamingo shut its operations and mob bosses went after Siegel for losing their money. Though he was given as second
Doc 2: In its heyday from 1950 to the early 1980s, the mob controlled every Las Vegas Strip resort that was worth controlling, stealing untold millions
Doc 3: Between the 40s and 60s, almost every hotel casino in Las Vegas was connected to Lanksy and the Mob. They had illegal operations in many
Doc 4: Progress was made by the beginning of the 1980s, when the FBI was able to rid Las Vegas casinos of Mafia control and made a determined effort to loosen the
Doc 5: After two weeks, The Flamingo had $275,000 in losses and the entire operation shut down in late January, 1947. While other mob bosses wanted to “off” Siegel for