Question: What are some other destinations covered by the airlines whose flights go to the Mediterranean sea?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/destinations> <http://dbpedia.org/resource/Mediterranean_Sea> . ?x <http://dbpedia.org/ontology/destination> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Airline>}