Question: Which politicians son is buried in Metairie Cementery?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x prop:placeofburial <http://dbpedia.org/resource/Metairie_Cemetery> . ?uri onto:child ?x  . ?uri rdf:type onto:OfficeHolder}