SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/leader> <http://dbpedia.org/resource/Valentina_Matviyenko> . }
What is the country whose leader was once Valentina Matviyenko?
SELECT DISTINCT ?v WHERE { ?v property:leader resource:Valentina_Matviyenko . }
Russia, Federal Assembly (Russia), Federation Council (Russia)
The country led by Valentina Matviyenko is [Russia, Federal Assembly (Russia), Federation Council (Russia)].
The country headed by Valentina Matvienko is [Russia, Federal Assembly (Russia), Federation Council (Russia)].
The legislature whose leader is her are [Russia, Federal Assembly (Russia), Federation Council (Russia)].
The country which she leads are [Russia, Federal Assembly (Russia), Federation Council (Russia)].