Question: Name the hubs of the airlines whose headquarters is in the Subang Interchange?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/headquarters> <http://dbpedia.org/resource/Subang_Interchange> . ?x <http://dbpedia.org/property/hubs> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Airline>}