You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Category: GET OUTTA MY DREAMS 
Clue: I dream of exploring this Hawaii national park whose name refers in part to Kilauea
volcanoes national park

Category: WINE 
Clue: The Douro Valley in this country is an important port producer
portugal

Category: AFRICAN AMERICANS 
Clue: Starting in 1927, this "noble" man's big band broadcast on radio from Harlem's Cotton Club

duke ellington