Question: How many genres of games can I find on the commodore CDTV?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:computingPlatform <http://dbpedia.org/resource/Commodore_CDTV> . ?x onto:genre ?uri . }