Question: Who holds stock in the railway lines ending in Washington DC?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:routeEnd <http://dbpedia.org/resource/Union_Station_(Washington,_D.C.)> . ?x prop:owner ?uri . ?x rdf:type onto:RailwayLine}