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 Q]: Context : Chen Shaoguo (simplified Chinese: 陈绍果; traditional Chinese: 陳紹果; pinyin: Chén Shàoguǒ; born January 20, 1971) is a retired male race walker from PR China. 
Question : Which gender does Chen Shaoguo belong to?
[EX A]: sex or gender

[EX Q]: Context : American astronomer Adriaan van Maanen, Van Maanen 2 was the third white dwarf identified, after 40 Eridani B and Sirius B, and the first that was not a member of a multi-star system. 
Question : What constellation is where Van Maanen 2 is?
[EX A]: constellation

[EX Q]: Context : Karl Meltzer (born December 8, 1967, nicknamed ``Speedgoat Karl'') is an ultrarunner and ultrarunning coach based in Sandy, Utah. 
Question : What city is Karl Meltzer from?
[EX A]:
residence