TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : Blind Willie Walker died in Greenville in 1933 at age 37 of congenital syphilis, which may have been the reason for his blindness. 
Question : What led to Blind Willie Walker's death?

SOLUTION: blindness

PROBLEM: Context : Harriet Wheeler (born 26 June 1963) is an English singer and songwriter, best known as the lead singer of the 1980s/1990s alternative rock band, The Sundays. 
Question : What was Harriet Wheeler's career?

SOLUTION: singer

PROBLEM: Context : The 1971 January 22 Surgut Aeroflot Antonov An-12 crash occurred on 22 January 1971, when an Aeroflot Antonov An-12B, registered CCCP-11000, flying from Omsk Tsentralny Airport, in the Soviet Union‍ '​s Russian Soviet Federated Socialist Republic (RSFSR), crashed 15 km (9.3 mi) short of the runway on approach to Surgut International Airport, Surgut, RSFSR. 
Question : On what date did 1971 January 22 Surgut Aeroflot Antonov An-12 crash take place?

SOLUTION:
22 January 1971