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.

[Q]: Leonora is the heroine of which opera premiered in 1805?
[A]: fidelio


[Q]: Florence is the major city of which region of Italy?
[A]: tuscany


[Q]: Which American band, formed in 1965, included amongst its members John and Michelle Phillips?
[A]:
the mamas & the papas