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: WORLD LEADERS 
Clue: After overthrowing Milton Obote in 1971, he had some 300,000 people killed
idi amin

Category: ISLANDS 
Clue: Delos, the smallest of this country's Cyclades Islands, was a shrine to Apollo in ancient times
greece

Category: THEATER 
Clue: In the female version of this Neil Simon play, the title characters are named Olive and Florence

"the odd couple"