Definition: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Input: 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.
Answer : Richard Eichberg
Output:
The director of Pavement Butterfly is what?