TASK DEFINITION: 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.
PROBLEM: Category: FILM LEGENDS 
Clue: His only competitive Oscar win was for Best Score in 1973 for a 1952 film in which he had starred as a washed-up comic

SOLUTION: charlie chaplin

PROBLEM: Category: GOLF 
Clue: It's the only one of golf's 4 major pro events in which amateurs are not permitted to play

SOLUTION: the pga championship

PROBLEM: Category: THE WORLD OF ART 
Clue: It's the room where you'll find the masterpiece that includes "The Flood" & "The Creation of Eve"

SOLUTION:
the sistine chapel