TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : P. R. Francis (1924 -- 10 May 2002) was an Indian National Congress politician and an Indian National Trade Union Congress (INTUC) leader from Thrissur and Member of the Legislative Assembly of Ollur Assembly Constituency to Kerala Legislative Assembly in 1957, 1960, 1970 and 1977. 
Question : What was P. R. Francis's career?

SOLUTION: politician

PROBLEM: Context : Power Rangers Time Force is an American television series and the ninth season of the Power Rangers franchise, based on the Super Sentai series Mirai Sentai Timeranger, running for 40 half-hour episodes from February to November 2001. 
Question : The Power Rangers Time Force is based upon what?

SOLUTION: Mirai Sentai Timeranger

PROBLEM: Context : The 1928 Imperial Airways Vickers Vulcan crash occurred on 13 July 1928 when a Vickers Vulcan on a test flight from Croydon Airport with a pilot and five passengers crashed near Purley, Surrey three miles from the airport, with the loss of four passengers. 
Question : What is the full date that 1928 Imperial Airways Vickers Vulcan crash crashed on?

SOLUTION:
13 July 1928