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.

[EX Q]: Category: SWITZERLAND 
Clue: Swiss banks store heaps of gold in vaults below the Bahnhofstrasse, an elegant street in this city
[EX A]: zurich

[EX Q]: Category: A BUSINESS IS BORN 
Clue: The first drug-store in this chain began operating out of a Chicago hotel in 1901; in 2009 the 7,000th store opened
[EX A]: walgreens

[EX Q]: Category: AMERICAN ARTISTS 
Clue: This "American Gothic" painter produced a series of drawings for Sinclair Lewis' "Main Street"
[EX A]:
grant wood