Question: In which city did John F. Kennedy die?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT DISTINCT ?uri
WHERE { 
        res:John_F._Kennedy onto:deathPlace ?uri .
        ?uri rdf:type onto:City .
}