TASK DEFINITION: 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.
PROBLEM: Context : Princess Helena of Nassau (German: Prinzessin Helene Wilhelmine Henriette Pauline Marianne von Nassau-Weilburg; 18 August 1831 -- 27 October 1888) was a daughter of William, Duke of Nassau (that is, the German state or region referred to as Nassau), and consort of George Victor, Prince of Waldeck and Pyrmont. 
Question : What is Princess Helena of Nassau's spouse's name?

SOLUTION: spouse

PROBLEM: Context : Josephine Owino (born 28 August 1983, in Kenya) is a Kenyan professional basketball player in the WNBA, formerly playing for the Washington Mystics. 
Question : What team did Josephine Owino play for?

SOLUTION: drafted by

PROBLEM: Context : Tamás Kádár (born 14 March 1990 in Veszprém) is a Hungarian footballer, currently playing for Lech Poznań. 
Question : What city is Tamás Kádár from?

SOLUTION:
residence