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 : Prom-asaurus attracted 6.67 million American viewers during its initial airing and received a 2.7/8 Nielsen rating/share in the 18--49 demographic, up significantly from the 2.5/8 rating/share and 6.01 million viewers of the previous episode, ``Choke'', which was broadcast on May 1, 2012. 
Question : What is the series that Prom-asaurus is a part of?
[A]: series


[Q]: Context : The first astronomer to record the Butterfly Cluster's existence was Giovanni Battista Hodierna in 1654. 
Question : What constellation is where Butterfly Cluster is?
[A]: constellation


[Q]: Context : Senesino left England in 1736, and appeared in a few more productions in Italy: he sang at Florence from 1737 to 1739, and then in Naples until 1740, making his final appearance in Porpora's Il trionfo di Camilla at the Teatro San Carlo. 
Question : What was the death date of Senesino?
[A]:
date of death