SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/McDonnell_Douglas> <http://dbpedia.org/property/successor> ?uri }
Who is the successor of McDonnell Douglas?
SELECT DISTINCT ?l WHERE { resource:Mc_Donnell_Douglas property:successor ?l }
Boeing
The successor of McDonnell Douglas is [Boeing].
McDonnell Douglas's successor is [Boeing].
The successor of McDonnell Douglas  is [Boeing].
McDonnell Douglas's successor is [Boeing].