Question: Whihc successor of McDonnell Douglas was built bu Delta 3 ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
 SELECT DISTINCT ?uri WHERE { res:Delta_III onto:manufacturer ?uri. res:McDonnell_Douglas prop:successor ?uri}