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 simplicity, answers should be in all lower cased letters.

Category: CLASSIC COUNTRY 
Clue: 1 of 3 original members of the Country Music Hall of Fame
hank williams, sr., jimmie rodgers & fred rose

Category: WORLD GEOGRAPHY 
Clue: The name of this large port city on Western Europe's Schelde River literally means "at the wharf"
antwerp

Category: NATIVE AMERICANS 
Clue: Now usually meaning a conference, it has also meant to practice magic

pow-wow