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.

[Q]: Category: U.S. PRESIDENTS 
Clue: The last names of 8 different presidents end with this 3-letter combination
[A]: son


[Q]: Category: LANDMARKS 
Clue: In the 1879 Mathew Brady photo seen here, this structure was about 150 feet tall
[A]: washington monument


[Q]: Category: U.S. ISLANDS 
Clue: Dutch for either "devil's whirlpool" or "spite the devil", Spuyten Duyvil Creek forms part of its northern border
[A]:
manhattan