Question: Whose commanders are John Mc Ewen and Park Chunghee?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/commander> <http://dbpedia.org/resource/John_McEwen> . ?uri <http://dbpedia.org/ontology/commander> <http://dbpedia.org/resource/Park_Chung-hee> . }