Question: Robert DeNiro starred in a film based on the career of which Las Vegas casino executive?
Sentence (from "Las Vegas Uncork'd"): The event was launched in 2007 by the Las Vegas Convention and Visitors Authority, "Bon Appétit" magazine led by Editor-in-Chief Barbara Fairchild and co-creator and Executive Director Rob O'Keefe who led the first five years of development of what Eater.com called "the world's most innovative culinary event".
Relevant evidence: No