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: MUSICAL INSTRUMENTS 
Clue: This instrument that's about half the size of a flute is the smallest woodwind in an orchestra
piccolo

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

Category: WELL, I'LL BE A '30s WORD 
Clue: You get more than a pat on the back for identifying this 4-letter word for "belch" that came out in the 1930s

burp