Question: What is the date of death of the director of film The Stone Flower (1946 Film)?
Sentence (from "Aleksandr Ptushko"): Some critics, such as Tim Lucas and Alan Upchurch, have also compared Ptushko to Italian filmmaker Mario Bava, who made fantasy and horror films with similarities to Ptushko's work and made similarly innovative use of color cinematography and special effects.
Relevant evidence: No