Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Context : John William Bowden (21 February 1798 -- 15 September 1844) was an English functionary and writer on church matters. 
Question : On what date did John William Bowden expire?
date of death

Context : PSR J1719-1438 was discovered in 2011 by the High Time Resolution Survey, a radio astronomy search for astronomical objects that rapidly vary in radio brightness, such as pulsars. 
Question : What is the constellation that PSR J1719-1438 is a part of?
constellation

Context : Blind Willie Walker (1896 -- March 4, 1933) was an early American blues guitarist and singer, who played the Piedmont blues style. 
Question : Which medical condition does Blind Willie Walker suffer from?

medical condition