Question: WCW Nitro Grill was an American professional wrestling themed steak house that opened in May 1999 at the Excalibur Hotel and Casino, a hotel and casino located on the Las Vegas Strip in Paradise, Nevada, It is owned and operated by which organization?
Sentence (from "Excalibur Hotel and Casino"): Excalibur Hotel and Casino is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada, in the United States.
Relevant evidence: No