Question: what historic building in Washington, D.C. is located near the canal who's primary cargo is coal
Sentence (from "Vigilant Firehouse (Washington, D.C.)"): The Vigilant Firehouse is a historic building in the Georgetown section of Washington, D.C. located at 1066 Wisconsin Ave., NW, just north of the Chesapeake and Ohio Canal and the Canal Monument.
Relevant evidence: Yes