Question: What is the date of death of the director of film The Dancer Barberina?
Sentence (from "The Dancer Barberina"): The Dancer Barberina (German: Die Tänzerin Barberina) is a 1920 German silent historical drama film directed by Carl Boese and starring Lyda Salmonova, Otto Gebühr and Harry Liedtke.
Relevant evidence: Yes