Question: At the 2010 census, what was the population of the town in which resides the main campus of Brunswick (Brittonkill) Central School District?
Sentence (from "Brunswick (Brittonkill) Central School District"): Brunswick (Brittonkill) Central School District (BCSD) is a rural fringe central school district located east of the city of Troy whose main campus resides in the town of Brunswick in Rensselaer County, New York, United States.
Relevant evidence: Yes