Question: What is the outflow of Lake Uniamsi and the inflow of Cahora Bassa?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Lake_Uniamési> <http://dbpedia.org/property/outflow> ?uri. <http://dbpedia.org/resource/Cahora_Bassa> <http://dbpedia.org/property/inflow> ?uri}
Answer: The outflow of Lake Uniamsi and the inflow of Cahora Bassa is [Zambezi].