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.

Example Input: Whose last opera was Falstaff?
Example Output: giuseppe verdi

Example Input: Leonora is the heroine of which opera premiered in 1805?
Example Output: fidelio

Example Input: Whose first hit was Maybellene in 1955?
Example Output:
chuck berry