Question: Whihc state of Timothy J. Roemer is also the location city of Dad's Root Beer ?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Dad's_Root_Beer> prop:locationCity ?uri. <http://dbpedia.org/resource/Timothy_J._Roemer> prop:state ?uri}