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: FAMOUS AMERICANS 
Clue: He once promised, "As long as there is imagination left in the world" his theme park would never be completed

Answer: walt disney


Question: Category: A WORLD OF OPERA 
Clue: "Hunyadi Laszlo" is one of this country's best-loved operas

Answer: hungary


Question: Category: WEAPONRY 
Clue: This sword from some royal tales is said to derive from Caladbolg, a weapon of Irish legend

Answer:
excalibur