Question: What was the population in 2010 of a town that is represented by Nancy B. Sullivan?
Sentence (from "Nancy Sullivan (politician)"): Sullivan served as a Democrat State Senator from Maine's 4th District, representing part of York County, including the city of Biddeford and the neighboring towns of Kennebunkport, Arundel and Kennebunk from 2004 to 2012.
Relevant evidence: Yes