instruction:
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.
question:
Context : Karl-Heinz Krahl (25 September 1914 -- 14 April 1942) was a German Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross during World War II. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. 
Question : Which award did Karl-Heinz Krahl get?
answer:
award received


question:
Context : John David Duty (April 25, 1952 -- December 16, 2010) was an American who was executed in Oklahoma for first-degree murder. 
Question : For what crime was John David Duty prosecuted?
answer:
convicted of


question:
Context : Brad Whitaker is a fictional character in the James Bond film The Living Daylights. 
Question : What caused Brad Whitaker's death?
answer:

medical condition