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.

Context : PSR J1719-1438 was discovered in 2011 by the High Time Resolution Survey, a radio astronomy search for astronomical objects that rapidly vary in radio brightness, such as pulsars. 
Question : What is the constellation that PSR J1719-1438 is a part of?
constellation

Context : Norway - Upgraded to NASAMS 2. 
Question : Which was the official year for the approval of NASAMS?
service entry

Context : In 2008 the extrasolar planet WASP-12b was discovered orbiting WASP-12 by the transit method. 
Question : What constellation does WASP-12 belong to?

constellation