instruction:
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.
question:
Who is the husband of Helen of Troy in Troilus and Cressida?
answer:
menelaus


question:
Which movement was thought to be responsible for the kidnapping of Western hostages in Lebanon in the 890s?
answer:
hezbollah


question:
Who was president of South Korea during the Korean War?
answer:

syngman rhee