What currencies are used in the countries which have been governed by Francois Hollande?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/leader> <http://dbpedia.org/resource/François_Hollande> . ?x <http://dbpedia.org/ontology/currency> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Country>}
François_Hollande