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 : Anna Magdalena Bach (née Wilcke or Wilcken) (22 September 1701 -- 22 February 1760) was an accomplished singer and the second wife of Johann Sebastian Bach. 
Question : What is Anna Magdalena Bach's spouse's name?
answer:
spouse


question:
Context : The Portrait of Francesco delle Opere is a painting by the Italian Renaissance artist Perugino, dating to 1494 and housed in the Uffizi Gallery, Florence. 
Question : What is the name of the place where Portrait of Francesco delle Opere can be found?
answer:
collection


question:
Context : Benjamin Harrison VI's father was Benjamin Harrison V, a wealthy planter and slave owner, who would later become one of the Founding Fathers of the United States of America. 
Question : What was the date of Benjamin Harrison VI's death?
answer:

date of death