Question: What is the subtitle of the opera conducted by Nikolai Rimsky-Korsakov at Novaya Opera?
Sentence (from "Christmas Eve (opera)"): Christmas Eve (Russian: Ночь перед Рождеством , "Noch' pered Rozhdestvom"), is an opera in four acts with music and libretto by Nikolai Rimsky-Korsakov.
Relevant evidence: No