Question: In which continent do Air 2000 and Novair International airways operate?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Air_2000> <http://dbpedia.org/property/destinations> ?uri. <http://dbpedia.org/resource/Novair_International_Airways> <http://dbpedia.org/property/destinations> ?uri . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Continent>}