Which are the cities on the river which also flows in Tukwila, Washington ?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/city> <http://dbpedia.org/resource/Tukwila,_Washington> . ?x <http://dbpedia.org/ontology/city> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/River>}
Tukwila,_Washington