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 : Kurt Maier was killed in a road accident on 11 February 1952 in Heilbronn. 
Question : What conflict involved Kurt Maier?
[EX A]: conflict

[EX Q]: Context : Anna Sundström has been referred to as the first female chemist in Sweden. 
Question : What is the sex or gender of Anna Sundström?
[EX A]: sex or gender

[EX Q]: Context : Udo Cordes (22 July 1921 -- 7 March 2007) was a highly decorated Oberleutnant in the Luftwaffe during World War II, and a recipient of the Knight's Cross of the Iron Cross. 
Question : What award was received by Udo Cordes?
[EX A]:
award received