Generate a correct and concise answer for the question based on the words in the context.

Example Input: Context : Explorers on the Moon (French: On a marché sur la Lune) is the seventeenth volume of The Adventures of Tintin, the comics series by Belgian cartoonist Hergé. 
Question : To which series does Explorers on the Moon belong?
Example Output: The Adventures of Tintin

Example Input: Context : Rappadikalude Gatha (English: The Journey of the Nightingales) is a 1978 Malayalam film written by Padmarajan, directed by K. G. George and starring Vidhubala in the lead role. 
Question : Who was the star of Rappadikalude Gatha?
Example Output: Vidhubala

Example Input: Context : Pavement Butterfly (German:Großstadtschmetterling) 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?
Example Output:
Richard Eichberg