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.
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Question: Category: FOREIGN CURRENCY 
Clue: It's the currency used in Curacao

Answer: dutch guilder


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

Answer: zurich


Question: Category: ON WORDS 
Clue: From the Greek for a "race discourse", it's the history of a family

Answer:
genealogy