Question: Which subsidiary of TUI Travel serves both Glasgow and Dublin?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { res:TUI_Travel onto:subsidiary ?uri .  ?uri onto:targetAirport res:Glasgow_Airport . ?uri onto:targetAirport res:Dublin_Airport . }