Question: Which novel was the opera at which Artyom Melikhov has his first appearance based?
Sentence (from "War and Peace (opera)"): War and Peace (Op. 91) (Russian: Война и мир , "Voyna i mir") is an opera in two parts (an Epigraph and 13 scenes), sometimes arranged as five acts, by Sergei Prokofiev to a Russian libretto by the composer and Mira Mendelson, based on the novel "War and Peace" by Leo Tolstoy.
Relevant evidence: Yes