Question: Name the country with currency as Aureus ?
SPARQL query: SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/currency> <http://dbpedia.org/resource/Aureus>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Country>}
Answer: The country whose currency is Aureus is [Roman Empire, History of the Roman Empire].