Question: Count the different origins of members of the Vitis Vinifera species.
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/species> <http://dbpedia.org/resource/Vitis_vinifera> . ?x <http://dbpedia.org/ontology/origin> ?uri  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Place>}