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: PLAYBILL 
Clue: This musical's "American Dream" ended on B'way after 4,097 performances--& a lot of helicopter flights

SOLUTION: miss saigon

PROBLEM: Category: SWITZERLAND 
Clue: Swiss banks store heaps of gold in vaults below the Bahnhofstrasse, an elegant street in this city

SOLUTION: zurich

PROBLEM: Category: TRIPLE "A" 
Clue: If a crowded shopping mall fills you with terror, you have this

SOLUTION:
agoraphobia