Question: Crown Books was a bookseller headquartered in Lake Arbor, an unincorporated community in Prince George's County, Maryland, near Largo and which town's official name, and is the seat of Prince George's County, Maryland in the United States?
Sentence (from "Upper Marlboro, Maryland"): The population within the town limits was 631 at the 2010 U.S. Census, although Greater Upper Marlboro is many times larger.
Relevant evidence: No