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.

[EX Q]: Context : He created the Christopher Reeve Foundation (currently known as the Christopher and Dana Reeve Foundation) to speed up research through funding, and to use grants to improve the quality of the lives of people with disabilities. 
Question : What is Christopher Reeve's spouse's name?
[EX A]: spouse

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

[EX Q]: Context : Pomara massacre refers to the killing of unarmed Bengali Hindus of Pomara Union in Chittagong District of Bangladesh on 14 September 1971. 
Question : What is the date when Pomara massacre happened?
[EX A]:
point in time