Question: Which source of broad creek is the Audenried tunnel located ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Broad_Creek_(Susquehanna_River)> <http://dbpedia.org/ontology/source> ?uri. <http://dbpedia.org/resource/Audenried_Tunnel> <http://dbpedia.org/ontology/location> ?uri}