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: JACK LEMMON FILMS 
Clue: In "The China Syndrome", Lemmon played the executive of this type of plant
[A]: nuclear power plant


[Q]: Category: HOLLYWOOD HISTORY 
Clue: Creator of Andy Panda, he held the longest contract in Hollywood --  58 years with Universal
[A]: walter lantz


[Q]: Category: AROUND THE WORLD 
Clue: Now in ruins, the temple complex of Angkor Thom in this country was built by Khmer ruler Jayavarman VII
[A]:
cambodia