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.

[EX Q]: Category: WORLD GEOGRAPHY 
Clue: This European grand duchy has 2 distinct land regions: the Ardennes & the Bon Pays
[EX A]: luxembourg

[EX Q]: Category: WORLD LEADERS 
Clue: After overthrowing Milton Obote in 1971, he had some 300,000 people killed
[EX A]: idi amin

[EX Q]: Category: WEAPONS OF THE OLD WEST 
Clue: In titles of John Langley's western novels, this numerical weapon precedes "Law", "Justice" & "Feud"
[EX A]:
six-gun