Question: Which cities come in the course of the river, into which Big Creek around Texas flows too?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/rightTributary> <http://dbpedia.org/resource/Big_Creek_(Texas_Co._Missouri)> . ?x <http://dbpedia.org/ontology/city> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/River>}