Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

[Q]: Which US president was in office at the start of the Korean War?
[A]: truman

[Q]: Which stage and screen actor was born in Huyton, Liverpool in 1908?
[A]: rex harrison

[Q]: If Jupiter has the Great Red Spot, which planet has the Great Dark Spot?
[A]:
neptune