Question: Which country gave birth to the Lemberger LD20b and Start+Flug H101 aircrafts?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Lemberger_LD20b> prop:nationalOrigin ?uri. <http://dbpedia.org/resource/Start_+_Flug_H-101> prop:nationalOrigin ?uri . }