Question: When is the director of film Three Reservists 's birthday?
Sentence (from "Zako Heskiya"): Zako Heskija, Isaac Solomonov Heskiya, "Зако Хеския", also: "Zako Heskia" or "Sako Cheskija" (21 September 1922 – 3 June 2006) was a Bulgarian film director and screenwriter.
Relevant evidence: Yes