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 : In a poll taken in the winter of 1909-1910, Baltimoreans were asked to identify their fifty-five favorite works of art and The Duel After the Masquerade topped the list. 
Question : What is the name of the place where The Duel After the Masquerade can be found?

Answer: collection


Question: Context : Born on 26 July 1872, Frederick Walshe was educated at Bedford School and at Royal Military Academy, Woolwich. 
Question : What is the university where Frederick Walshe went?

Answer: educated at


Question: Context : Lee Byung-yong (born 11 May 1971) is a former South Korean male volleyball player. 
Question : Which sex or gender can Lee Byung-yong be described as?

Answer:
sex or gender