Definition: Generate a correct and concise answer for the question based on the words in the context.
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?
Output:
7 October 1961