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.

Q: Category: BLACK HISTORY 
Clue: An Alabama city gave its name to this group of 9 youths falsely accused of rape in 1931

A: "the scottsboro boys"
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Q: Category: LAND "HA"! 
Clue: Ho Chi Minh's remains are on display in a mausoleum in Ba Dinh Square in this Vietnamese city

A: hanoi
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Q: Category: A STACK OF KNOWLEDGE 
Clue: This "stack" is a large chimney or vertical pipe through which combustion gases escape

A:
a smokestack
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