List the schools of the athlete with Balgowan as one of the school?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/school> <http://dbpedia.org/resource/Balgowan,_KwaZulu-Natal> . ?x <http://dbpedia.org/property/school> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Athlete>}
Balgowan,_KwaZulu-Natal