Question: Nautilus Pompilius was an influential Soviet, and later Russian, rock band founded in 1983 by Dmitry Umetsky, and which person, that was born on October 15, 1961 ?
Sentence (from "Vyacheslav Butusov"): He was a lead singer of Nautilus Pompilius, a Russian rock group, until its disbandment, and from 2001 to today of U-Piter.
Relevant evidence: No