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: SOUTH OF THE BORDER 
Clue: Known as J.C., this boxing champion won titles in 3 weight divisions & more than 100 pro fights

Answer: julio cesar chavez


Question: Category: CAPITAL CITY BIRTHPLACES 
Clue: Ilie Nastase

Answer: bucharest, romania


Question: Category: LEFTOVERS 
Clue: They include the solitaire, the giant moa & the great auk

Answer:
extinct birds