Question: When is Irina Pozdnyakova's husband's birthday?
Sentence (from "Vyacheslav Zaytsev"): He was a major player to help Soviet Union men's national volleyball team to dominate the World in late 1970s to early 1980s by winning 1977 FIVB Men's World Cup, 1978 FIVB Men's World Championship, 1980 Moscow Olympic Games, 1981 FIVB Men's World Cup and 1982 FIVB Men's World Championship in row.
Relevant evidence: No