Question: What Russian principal conductor is the music director at one of Russia's oldest opera and ballet houses?
Sentence (from "Mikhail Tatarnikov"): Mikhail Tatarnikov is a Russian principal conductor and music director of Mikhailovsky Theatre who is known for his production of "The Enchantress" at the Theater an der Wien as well as "The Gambler" at the Opéra de Monte-Carlo.
Relevant evidence: Yes