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 : The Madonna Litta is a late 15th-century painting, traditionally attributed to Leonardo da Vinci, in the Hermitage Museum, Saint Petersburg. 
Question : What is the name of the place where Madonna Litta can be found?
answer:
collection


question:
Context : Ernesto Ambrosini (29 September 1894 -- 4 November 1951) was an Italian athlete who competed mainly in the 3000 metres steeplechase. 
Question : The death of Ernesto Ambrosini occured on what date?
answer:
date of death


question:
Context : In December 1854 Edward Boxer was appointed second in command in the Mediterranean, and undertook the duties of superintendent at Balaklava in the Crimean War. 
Question : What armed force was Edward Boxer a part of?
answer:

military branch