Question: What Russian city are both Mariinsky Ballet and Arthur Saint-Léon located?
Sentence (from "Fiametta"): Fiametta or Fiammetta, (also known as "The Flame of Love", "The Salamander" or "Néméa") is a ballet in four acts and four scenes, choreographed by Arthur Saint-Léon to music by Ludwig Minkus, first presented by the Ballet of the Moscow Imperial Bolshoi Theatre on November 12–24, 1863 (Julian/Gregorian calendar dates) at the Moscow Imperial Bolshoi Theatre, Moscow, Russia, with Anna Sobeshchanskaya as Fiametta.
Relevant evidence: No