instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
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?
answer:
Vidhubala

question:
Context : The School House is an early American television program broadcast on Tuesday evenings at 9:00 PM Eastern by the DuMont Television Network for a few months in 1949.
Question : What is the original network of The School House?
answer:
DuMont Television Network

question:
Context : The Portrait of Frederic Chopin and George Sand was an 1838 unfinished oil-on-canvas painting by French artist Eugene Delacroix.
Question : What is the surface of Portrait of Frederic Chopin and George Sand made of?
answer:
canvas