Question: Count the number of sports played by the universities which also plays Volleyball?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/athletics> <http://dbpedia.org/resource/Volleyball> . ?x <http://dbpedia.org/property/athletics> ?uri }
Answer: There are [57] athletics of the universities whose one sport is Volleyball.