Question: Which country the director of film The White Roses Of Ravensberg (1929 Film) is from?
Sentence (from "The White Roses of Ravensberg (1929 film)"): It was based on the 1887 novel "The White Roses of Ravensberg" by Eufemia von Adlersfeld-Ballestrem which had previously been made into a film in 1919.
Relevant evidence: No