People in the royal Thai army follow which religion?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/branch> <http://dbpedia.org/resource/Royal_Thai_Army> . ?x <http://dbpedia.org/ontology/religion> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Person>}
Royal_Thai_Army