Question: Which country the director of film Roswolsky'S Mistress is from?
Sentence (from "Roswolsky's Mistress"): Roswolsky's Mistress (German: Die Geliebte Roswolskys) is a 1921 German silent drama film directed by Felix Basch and starring Asta Nielsen, Paul Wegener and Wilhelm Diegelmann.
Relevant evidence: Yes