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