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 : Andrew Snape Douglas was born in Edinburgh on 8 October 1761, the son of Dr. William Douglas, a medical doctor of Springfield, and Lydia Hamond, daughter of a London merchant and shipowner. 
Question : What military branch did Andrew Snape Douglas serve?
[A]: military branch


[Q]: Context : Timelike Infinity is a 1992 science fiction book by Stephen Baxter. 
Question : What series is Timelike Infinity a part of?
[A]: series


[Q]: Context : The Battle of Sasireti (Georgian: სასირეთის ბრძოლა) took place in 1042 at the village of Sasireti in the present day Shida Kartli region, not far from the town of Kaspi, during the civil war in the Kingdom of Georgia. 
Question : What was the date of Battle of Sasireti?
[A]:
point in time