Question: List the outflows of the lake whose one of the outflows is Benu river ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x prop:outflow res:Benué_River . ?x onto:outflow ?uri  . }