instruction:
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.
question:
Category: PRESIDENTIAL NICKNAMES 
Clue: "Butcher from Galena"
answer:
grant


question:
Category: WORLD CAPITALS 
Clue: This capital city of 113,000 is the closest national capital to the Arctic Circle
answer:
reykjavík


question:
Category: MILLION 
Clue: This physician born in 1903 has been called "The man who reared 50 million kids"
answer:

spock