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 : HD 13931 is an 8th magnitude G-type star located approximately 144 light years away in the constellation Andromeda. 
Question : What constellation is HD 13931 a part of?
constellation

Context : Turkish Airlines Flight 1951 (also known as the Poldercrash) was a passenger flight that crashed during landing at the Amsterdam Schiphol Airport, Netherlands, on 25 February 2009, resulting in the death of nine passengers and crew including all three pilots. 
Question : On what date did Turkish Airlines Flight 1951 occur?
point in time

Context : ``Rumors, Bargains and Lies'' is an episode from the fourth season of the science-fiction television series Babylon 5. 
Question : What series is Rumors, Bargains and Lies a part of?

series