Question: What award was given to the short documentary directed by Geoffrey Barkas and Ivor Montagu, in which the pilot was the first man to fly over Mount Everest?
Sentence (from "Wings Over Everest"): It described the 1933 Houston-Westland expedition, in which Douglas Douglas-Hamilton, 14th Duke of Hamilton, otherwise known as Lord Clydesdale, piloted a single-engined biplane on 3 April 1933, just clearing Everest's southern peak by a few feet, having been caught in a powerful downdraught.
Relevant evidence: No