Question: Count the number of people who graduated from universities affiliated with the NCAA.
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:athletics <http://dbpedia.org/resource/National_Collegiate_Athletic_Association> . ?uri prop:education ?x  . ?uri rdf:type onto:Person}