Question: How many other race are there of the adult (pornographic) actors whose ethnicity is Cherokee ?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
 SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:ethnicity <http://dbpedia.org/resource/Cherokee> . ?x prop:ethnicity ?uri }