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: POLAND 
Clue: After WWII, over 80% of the buildings in this capital were uninhabitable

SOLUTION: warsaw

PROBLEM: Category: HOLIDAYS AND OBSERVANCES 
Clue: The name of this Jewish holy day means "beginning of the year"

SOLUTION: rosh hashanah

PROBLEM: Category: PLAYWRIGHTS 
Clue: In 1979 this author of "Streamers" married Jill Clayburgh

SOLUTION:
david rabe