Question: During which war was the boat built which is on display at a museum in Oregon and was constructed at a city in the "Silicon Beach"?
Sentence (from "Playa Vista, Los Angeles"): Prior to the development of Playa Vista, the area was the headquarters of Hughes Aircraft Company from 1941 to 1985, and was the site of the construction of the Hughes H-4 Hercules "Spruce Goose" aircraft.
Relevant evidence: Yes