Give the name of the river with source place as Australian Alps and has mouth place as Goolwa , a place in Siyuth Australia ?
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/sourcePlace> <http://dbpedia.org/resource/Australian_Alps> . ?uri <http://dbpedia.org/ontology/mouthPlace> <http://dbpedia.org/resource/Goolwa,_South_Australia>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/River>}
Australian_Alps Goolwa,_South_Australia