Question: Are director of film Dolls (1987 film) and director of film The Black Diamond (1941 film) both from the same country?
Sentence (from "The Black Diamond (1941 film)"): The Black Diamond( French: Le diamant noir) is a 1941 French drama film directed by Jean Delannoy and starring Charles Vanel, Louise Carletti and Gaby Morlay.
Relevant evidence: Yes