Question: Where do the railroads owned by the Chicago and Northwestern Transportation company begin?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x prop:system <http://dbpedia.org/resource/Chicago_and_North_Western_Transportation_Company> . ?x onto:routeStart ?uri . ?x rdf:type onto:RailwayLine}