Question: Count the number of artists who trained at the San Francisco Art Institute?
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 {?uri prop:training <http://dbpedia.org/resource/San_Francisco_Art_Institute>  . ?uri rdf:type onto:Artist}