What place in the town of New Castle is on 0.45 sqmi of land on the east bank of the Hudson River and also in the state where First Star Software, Inc. is based?
First Star Software:  is a New York based video and computer game development, publishing and licensing company, founded by Richard Spitalny (who remains the company's president), Billy Blake, Peter Jablon and Fernando Herrera in 1982. Chappaqua, New York: Chappaqua is a hamlet and census-designated place in the town of New Castle, in northern Westchester County, New York.
i don't know