Question: The class is named after the first ship in the class "Dmitriy Shostakovich", which in her turn was named after Dmitri Dmitriyevich Shostakovich, a Russian composer and pianist, regarded as one of the major composers of which century?
Sentence (from "Shostakovich Peninsula"): Shostakovich Peninsula is one of the eight peninsulas of Alexander Island.
Relevant evidence: No