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 : Following ``The Hawking Excitation'', there was a three-week break before the next episode, ``The Stag Convergence'', aired. 
Question : What series is the episode The Hawking Excitation part of?
[A]: series


[Q]: Context : Messier 99 was discovered by Pierre Méchain on March 17, 1781 along . 
Question : What constellation is Messier 99 in?
[A]: constellation


[Q]: Context : Young Man with a Skull is a painting by the Dutch Golden Age painter Frans Hals, painted in 1626 and now in the National Gallery, London. 
Question : What is the name of the place where Young Man with a Skull can be found?
[A]:
collection