Question: What is the total number of professions in which someone who has suicided worked?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x prop:deathCause <http://dbpedia.org/resource/Suicide> . ?x onto:occupation ?uri  . }