Question: According to the 2010 census, what was the population of the city in which the George Lewis Seaton House is located?
Sentence (from "George Lewis Seaton House"): The George Lewis Seaton House, located at 404 South Royal Street in Alexandria, Virginia and listed in the National Register of Historic Places, is the former home of George Lewis Seaton, a nineteenth-century African-American civic and political leader.
Relevant evidence: Yes