Question: Count the number of sports played by the universities which also plays Volleyball?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:athletics <http://dbpedia.org/resource/Volleyball> . ?x prop:athletics ?uri }