SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/designer> <http://dbpedia.org/resource/Alexander_Lippisch> . ?x <http://dbpedia.org/property/nationalOrigin> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Aircraft>}
For which country did Alexander Lippisch design airplanes?
SELECT DISTINCT ?m WHERE { ?z property:designer resource:Alexander_Lippisch . ?z rdf:type ontology:Aircraft . ?z property:national_origin ?m }
Germany, Germany, United States, West Germany
The national origins of the aircrafts designed by Alexander Lippisch are [Germany, Germany, United States, West Germany].
The national design of the aircraft designed by Alexander Lippi [Germany, USA, West Germany].
The national origin of the aircrafts whose has designer is him. are [Germany, Germany, United States, West Germany].
The national names of the aircraft of which he is a designer are [Germany, USA, West Germany].