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.

Ex Input:
Leonora is the heroine of which opera premiered in 1805?

Ex Output:
fidelio


Ex Input:
March 28, 1987 saw the death, at age 82, of one Maria von Trapp, who was the inspiration behind what Rogers and Hammerstein musical?

Ex Output:
the sound of music


Ex Input:
Of what is ghee a variety?

Ex Output:

butter