Question: How many different layouts do cars designed by Oliver Boulay have?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x prop:designer <http://dbpedia.org/resource/Olivier_Boulay> . ?x onto:layout ?uri . }