Question: The unfinished opera Modest Mussorgsky was written by a man who was a member of numeric group.
Sentence (from "Vyacheslav Nagovitsin"): He was a student of Dmitri Shostakovich at the Leningrad Conservatory that he graduated in 1966 (postgraduate school, he graduated from the undergraduate school of the Conservatory in 1963).
Relevant evidence: No