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.

[EX Q]: Context : Ernesto Ambrosini (29 September 1894 -- 4 November 1951) was an Italian athlete who competed mainly in the 3000 metres steeplechase. 
Question : The death of Ernesto Ambrosini occured on what date?
[EX A]: date of death

[EX Q]: Context : Columbus Nova is an investment company founded in 2000 and centered in New York City. 
Question : Which company is the parent company of Columbus Nova?
[EX A]: parent company

[EX Q]: Context : Petr Mrázek (/'mra:zek/; born 14 February 1992) is a Czech professional ice hockey goaltender currently playing for the Detroit Red Wings of the National Hockey League (NHL). 
Question : What team is Petr Mrázek associated with?
[EX A]:
drafted by