Question: Who owned and operated the MGM Grand Hotel that was the site of the worst disaster in the history of Nevada?
Sentence (from "Stockport air disaster"): The Stockport air disaster occurred on 4 June 1967, when a Canadair C-4 Argonaut passenger aircraft owned by British Midland Airways crashed in a small open area at Hopes Carr, near the centre of Stockport, Cheshire, England.
Relevant evidence: No