TASK DEFINITION: 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.
PROBLEM: 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?

SOLUTION: convicted of

PROBLEM: Context : Messier 99 was discovered by Pierre Méchain on March 17, 1781 along . 
Question : What constellation is Messier 99 in?

SOLUTION: constellation

PROBLEM: Context : The Texas Promise is a 2014 documentary film about public education in Texas. 
Question : Who was The Texas Promise directed by?

SOLUTION:
director