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.

Q: Context : Los Premios de la Radio (The Radio Awards) nominated Roberto Tapia as Artist of the year, male artist of the year and the best song with banda ``Mirando al Cielo'' in 2012. 
Question : What gender was Roberto Tapia?

A: sex or gender
****
Q: Context : The Pomo people participated in shamanism; one form this took was the Kuksu religion, which was held by people in Central and Northern California. 
Question : What city is Pomo people from?

A: residence
****
Q: Context : The ZBD-97, or Type 97, has been in service with the PLA ground forces since 2006, in the armored units of the Guangzhou and Nanjing military regions. 
Question : What year was the service entry date for ZBD-97?

A:
service entry
****