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: ALL ABOUT ANIMALS 
Clue: A type of beetle & a species of seal are named for this large land herbivore

Answer: an elephant


Question: Category: U.S. RIVERS 
Clue: The Falls of Saint Anthony stop this mighty river from being navigable north of St. Paul, Minnesota

Answer: the mississippi


Question: Category: ASIAN CAPITALS 
Clue: John McCain was shot down over this capital in 1967

Answer:
hanoi