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]: The Hall of Mirrors is in which building?
[A]: palace of versailles


[Q]: From which opera by Mascagni does the famous Easter Hymn come?
[A]: cavalleria rusticana


[Q]: Which ballet, with music by Igor Stravinsky and choreography by Vaslav Nijinsky under impresario Serge Diaghilev, caused a riot at its 1913 premire in Paris by The Ballets Russes because the music and choreography were considered barbaric and sexual?
[A]:
the rite of spring