In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

Van Rensselaer Island was an island in the Hudson River opposite the city of Albany, New York. Today it is within the city of Rensselaer in Rensselaer County, and has been connected to the mainland on the east side and parts of the island's west side has been dredged away. The island has also been known as de Laet's Island, Kalebacker's Island, Boston Island and B&A Island, the last two names in reference to the Boston and Albany Railroad. The island stretched from Mill Creek north to the Livingston Avenue Bridge. Question: What was the 2010 census city population of the city where Van Rensselaer Island is within? Answer: 9,392
Today it is within the city of Rensselaer in Rensselaer County, and has been connected to the mainland on the east side and parts of the islands west side has been dredged away.