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

Example 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?
Example Output: canvas

Example Input: Context : The Sleepwalker Killing also known as From the Files of Unsolved Mysteries: 
Question : Which is the basis of The Sleepwalker Killing?
Example Output: Unsolved Mysteries

Example Input: Context : The 1961 Derby Aviation crash refers to the fatal crash of a Douglas Dakota IV, registration G-AMSW, operated by Derby Aviation, a subsidiary of British Midland Airways, on the mountain of Canigou, France, on 7 October 1961. 
Question : On what date did 1961 Derby Aviation crash occur?
Example Output:
7 October 1961