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: 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
refused his oscar

Category: ANCIENT GREECE 
Clue: The Greeks had 4 national festivals: the Nemean Games, the Pythian Games, the Isthmian Games & these
the olympic games

Category: SPACE 
Clue: On Nov. 13, 1999 a body circling HD 209458 became the first new planet to be photographed since this one

pluto