Question: In what year was the clown who, together with Vladimir Olshansky, founded the clown theatre comany Litsedei born? 
Sentence (from "Slava Polunin"): Vyacheslav Ivanovich “Slava” Polunin PAR (Russian: Вячеслав Иванович (Слава) Полунин ) (born 12 June 1950) is a Russian performance artist and clown.
Relevant evidence: Yes