Question: What is the date of death of the director of film Cossacks Of The Kuban?
Sentence (from "Cossacks of the Kuban"): Cossacks of the Kuban  from Mosfilm (1950) is a color film, glorifying the life of the farmers in the kolkhoz of the Soviet Union's Kuban region, directed by Ivan Pyryev and starring Marina Ladynina, his wife at that time.
Relevant evidence: Yes