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

Ex Input:
Context : Casey's Shadow is a 1978 drama Metrocolor film directed by Martin Ritt and starring Walter Matthau. 
Question : Who are the cast members of Casey's Shadow?

Ex Output:
Walter Matthau


Ex Input:
Context : Statesmen of World War I is an oil on canvas painting by Sir James Guthrie, completed in 1930, shortly before Guthrie's death. 
Question : What material was used for Statesmen of World War I?

Ex Output:
canvas


Ex Input:
Context : The manuscript of Beunans Meriasek is held in the Peniarth Collection at the National Library of Wales. 
Question : What is the name of the place where Beunans Meriasek can be found?

Ex Output:

National Library of Wales