SELECT DISTINCT COUNT(?uri) WHERE {?uri <http://dbpedia.org/ontology/riverMouth> <http://dbpedia.org/resource/Indian_Ocean> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/River>}
How many rivers end in the Indian Ocean?
SELECT DISTINCT COUNT ( ?c ) WHERE { ?c rdf:type ontology:River . ?c property:river_mouth resource:Indian_Ocean }
73
There are [73] rivers whose mouth is in Indian Ocean.
There are [73] rivers whose estuary is in the Indian Ocean.
There are [73] rivers are there whose river mouth is location.
There are [73] rivers whose estuary is there.