SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/James_S._Langer> <http://dbpedia.org/ontology/doctoralStudent> ?x . ?x <http://dbpedia.org/property/placeOfBirth> ?uri . }
Where were the doctoral students of James Langer born?
SELECT DISTINCT ?i WHERE { ?q property:place_of_birth ?i . . resource:James_S._Langer property:doctoral_student ?q }
Moscow, Russia
The place of birth of the doctoral student of James S. Langer is [Moscow, Russia].
Dr. James S. Langer's student was born in [Moscow].