Question: North of the Gaithersburg area, Interstate 270 passes what urbanized census-designated place in Montgomery County, Maryland?
Sentence (from "Germantown, Maryland"): With a population of 90,676 as of 2013 U.S. Census Bureau estimates, Germantown is the third most populous place in Maryland, after the city of Baltimore, and the census-designated place of Columbia.
Relevant evidence: No