SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/leader> <http://dbpedia.org/resource/Giuseppe_Bertello> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Country>}
Which country's leader is Giuseppe Bertello?
SELECT DISTINCT ?c WHERE { ?c rdf:type ontology:Country . ?c property:leader resource:Giuseppe_Bertello }
Vatican City
[Vatican City] is the country where Giuseppe Bertello is the leader.
[The Vatican] is a country led by Giuseppe Bertello.