Question:  Giuseppe Bertello and Pietro Parolin are leaders of which place ?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/leader> <http://dbpedia.org/resource/Giuseppe_Bertello> . ?uri <http://dbpedia.org/ontology/leader> <http://dbpedia.org/resource/Pietro_Parolin> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Place>}