Question: What is the nationality of the composer of the opera The Twelve Charis?
Sentence (from "The Twelve Chairs (Shostakovich)"): The Twelve Chairs (Russian: Двенадцать стульев , "Dvenadtsat stulyev") is an unfinished operetta by Dmitri Shostakovich based on the classic story of the same name, by Ilf and Petrov.
Relevant evidence: Yes