Generate a correct and concise answer for the question based on the words in the context.
Q: Context : Pavement Butterfly (German:Grostadtschmetterling) is a 1929 British-German silent film directed by Richard Eichberg and starring Anna May Wong, Alexander Granach and Nien Soen Ling.
Question : The director of Pavement Butterfly is what?
A:
Richard Eichberg