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 : Lý Tòng Bá (1931 -- 22 February 2015, Las Vegas, Nevada) is a former brigadier general of the South Vietnamese Army of the Republic of Vietnam. 
Question : What military branch was Lý Tòng Bá in?
answer:
military branch


question:
Context : Stalk of the Celery Monster is a 1979 short animated film written, directed and animated entirely in pencil by Tim Burton during his time as a student with the California Institute of the Arts. 
Question : What production company was involved in Stalk of the Celery Monster?
answer:
production company


question:
Context : Engelbert I of Nassau (c. 1370, in Dillenburg -- 3 May 1442, in Breda) was a son of Count Johan I of Nassau and Countess Margaretha of the Marck, daughter of Count Adolph II of the Marck. 
Question : When did the life of Engelbert I of Nassau end?
answer:

date of death