Question: In how many places are the tombs of everyone who died in England?
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/placeOfDeath> <http://dbpedia.org/resource/England> . ?x <http://dbpedia.org/property/placeOfBurial> ?uri  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Place>}