SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/mayor> <http://dbpedia.org/resource/Giorgos_Kaminis> }
Giorgos Kaminis is the mayor of what?
SELECT DISTINCT ?a WHERE { ?a property:mayor resource:Giorgos_Kaminis }
Athens
The administrative region whose mayor is Giorgos Kaminis is [Athens].
The administrative district of which Giorgos Kaminis is mayor is [Athens].
The administrative region whose mayor is him is [Athens].
The administrative district of which he is mayor [Athens].