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.

[Q]: Category: ACADEMY AWARD FIRSTS 
Clue: On March 5, 1936 screenwriter Dudley Nichols did this; it didn't happen again until an actor did it April 15, 1971
[A]: refused his oscar


[Q]: Category: ANCIENT CITIES 
Clue: It sided with Sparta in the Peloponnesian War, & the Bible includes 2 letters to its Christians
[A]: corinth


[Q]: Category: FILM DIRECTORS 
Clue: In his 1929 film "Die Frau im Mond", or "Woman in the Moon", he originated the rocket countdown
[A]:
fritz lang