Question: The Mariinsky Theatre Second Stage hosted which Russo-Austrian soprano on May 2, 2013?
Sentence (from "Eleonora Vindau"): She sang the role of Dunyasha in the world premiere of Alexander Smelkov's opera "The Station Master", staged at the Concert Hall of the Mariinsky Theatre in 2011 and is a laureate of IV All-Russian Nadezhda Obukhova Young Opera Singers' Competition (Lipetsk, 2008) and the VIII International Rimsky-Korsakov Young Opera Singers' Competition (St Petersburg, 2008)
Relevant evidence: No