Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : John E. Hatley is a former Master Sergeant in the United States Army serving a 40-year sentence in the Fort Leavenworth Disciplinary Barracks for the murder of four Iraqi detainees. 
Question : Which crime John E. Hatley is considered to have commited?
[EX A]: murder

[EX Q]: Context : Outwitting Trolls is a murder mystery written by William G. Tapply that takes place in Boston. 
Question : Which place is Outwitting Trolls in?
[EX A]: Boston

[EX Q]: Context : Black Republic (Hangul: 그들도 우리처럼; RR: Geudeuldo uri-cheoreom; lit. ``They Also Are Like Us'') is a 1990 South Korean film directed by Park Kwang-su. 
Question : Under whose direction was Black Republic produced?
[EX A]:
Park Kwang-su