Question: Which venues are located at places governed by John Roberts?
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 onto:leader <http://dbpedia.org/resource/John_Roberts> . ?uri prop:address ?x  . ?uri rdf:type onto:Venue}