Who has rented the stadiums owned by Toronto?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/owner> <http://dbpedia.org/resource/Toronto> . ?x <http://dbpedia.org/property/tenants> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Stadium>}
Toronto