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: "Mitch Margo and the Tokens played which Las Vegas casino demolished in 2015?" whose answer is Riviera.
Each document should contain about 30 words, and these documents should contain useful information.

Query: casinos demolished in 2015 las vegas
Useful Output:

Doc 1: The Clarion Hotel and Casino off the Las Vegas Strip is expected to collapse in an early-morning Feb. 10 implosion.
Doc 2:  2:52 · Go to channel · Clarion hotel-casino demolition in Las Vegas complete. KTNV Channel 13 Las Vegas•1.8K views · 2:28 · Go to channel
Doc 3: The Riv, as it was called, closed in May 2015 after 60 years on the northern end of the Strip. The shuttered casino's owners, the Las Vegas
Doc 4: The Clarion Hotel and Casino is imploded in Las Vegas, Nevada, Feb. 10, 2015. Clarion Casino dramatically demolished. 463115174.jpg Ethan Miller
Doc 5: LAS VEGAS DEMOLITION SERVICES. Las Vegas' Riviera Hotel & Casino demolition clearing after implosion on July 15, 2015.