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: "Robert DeNiro starred in a film based on the career of which Las Vegas casino executive?" whose answer is Frank Lawrence "Lefty" Rosenthal.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Robert DeNiro film based on Las Vegas casino executive
Useful Output:

Doc 1:  (Casino-1995) #bestmoviestowatch #bestmovie #tiktokuk #tiktokuk #fyp #fypシ゚ #filmclips #film #movieclips #movieclips #movies
Doc 2: Though the film came out in 1995, De Niro's voiceover in the final scenes perfectly encapsulates the woes impacting WYNN stock. Before the COVID
Doc 3: The film is based on the true story of Frank “Lefty” Rosenthal, a sports handicapper and Las Vegas casino executive, and his associate, Anthony Spilotro, a
Doc 4: Ginger (Sharon Stone) finds herself locked out of her own house by her husband, Sam "Ace" Rothstein (Robert De Niro). #casino #robertdeniro
Doc 5: A fun fact about Robert De Niro in "Casino" is that his character, Sam "Ace" Rothstein, is based on a real person named Frank "Lefty" Rosenthal,