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:
Flight-lieutenant Jerry Rawlings ruled which African country from 1981-2001?
answer:
ghana


question:
Who is Emilio Estevez`s famous actor father?
answer:
martin sheen


question:
Who composed the opera 'Lohengrin'?
answer:

richard wagner