SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/garrison> <http://dbpedia.org/resource/Arlington_County,_Virginia> }
Which units are garrisoned at Arlington County, Virginia?
SELECT DISTINCT ?b WHERE { ?b property:garrison resource:Arlington_County,_Virginia }
answer
The units garrisoned at Arlington County, Virginia are [answer].
Units based in Arlington County, Virginia, include [answer].