Question: Name the river flowing through Reading and source place as Gloucestershire?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {?uri onto:city <http://dbpedia.org/resource/Reading,_Berkshire> . ?uri onto:sourcePlace <http://dbpedia.org/resource/Gloucestershire> . ?uri rdf:type onto:River}