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.

Ex Input:
Context : In 1942, Blue Horses was purchased by the Walker Art Center in Minneapolis, Minnesota through The T. B. Walker Foundation and its Gilbert M. Walker Memorial Fund. 
Question : What is the name of the place where Blue Horses can be found?

Ex Output:
collection


Ex Input:
Context : Justine Siegemund or Siegemundin (26 December 1636 -- 10 November 1705) was a renowned German midwife whose Court Midwife (1690) was the more read, but not the first, female-published German obstetrical manual. 
Question : What is the date of Justine Siegemund's death?

Ex Output:
date of death


Ex Input:
Context : William Carleton Watts (February 18, 1880--January 5, 1956) was a rear admiral in the United States Navy, who served in the Spanish-- 
Question : What army was William Carleton Watts a part of?

Ex Output:

military branch