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 composed the opera 'Lohengrin'?
answer:
richard wagner


question:
Who was known as the Queen of Folk Music?
answer:
joan baez


question:
Which day of the week is named after the Norse god of thunder?
answer:

thursday