Question: What is the name of the 3 Michelin Star Restaurant that is located in the second largest hotel in the United States?
Facts:
Joël Robuchon (Las Vegas restaurant) is the  flagship French gourmet restaurant of Joël Robuchon
Joël Robuchon (Las Vegas restaurant) is rated 3 stars by the Michelin Guide
MGM Grand Las Vegas is the   second-largest hotel resort complex in the United States
Answer: Joël Robuchon