SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/deathCause> <http://dbpedia.org/resource/Morphine> . }
Who died due to Morphine?
SELECT DISTINCT ?x WHERE { ?x property:death_cause resource:Morphine . }
Robert Pastorelli, Wallace Reid, Simon Gipps-Kent, Chris Farley
The people whose cause of death is Morphine are [Robert Pastorelli, Wallace Reid, Simon Gipps-Kent, Chris Farley].
People with morphine as death cause are [Robert Pastorelli, Wallace Reed, Simon Jean-Kent, Chris Farley].