Question: Which president had lieutenants whose governor was Bill Clinton?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/governor> <http://dbpedia.org/resource/Bill_Clinton> . ?uri <http://dbpedia.org/ontology/lieutenant> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/President>}
Answer: The presidents whose lieutenant's governor is Bill Clinton are [Bill Clinton, Frank D. White, Presidency of Bill Clinton].