SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/routeStart> <http://dbpedia.org/resource/South_Station> . ?x <http://dbpedia.org/property/owner> ?uri . }
How many owners are there of lines starting at the South Station?
SELECT DISTINCT COUNT ( ?b ) WHERE { ?l property:owner ?b . . ?l property:route_start resource:South_Station }
14
There are [14] owners of lines starting at the South Station .
There are [14] owners of lines that start with South Station.