SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Chea_Sim> <http://dbpedia.org/property/primeminister> ?x . ?x <http://dbpedia.org/ontology/religion> ?uri . }
Which religion is followed by the PM who was served by Chea Sim?
SELECT DISTINCT ?p WHERE { resource:Chea_Sim property:primeminister ?k . ?k property:religion ?p . }
Theravada, Buddhism
The religions of the primeminister of Chea Sim are [Theravada, Buddhism].
The religions of Prime Minister Cha Sim [Theravada, Buddhism].
The faith of the office holder who is the primeminister of him  are [Theravada, Buddhism].
The faith of the office holder that is its prime minister is [Theravada, Buddhism].
The faith of the office holder who is the primeminister of Chea Sim  are [the country, Buddhism].
The beliefs of the office holder who is Prime Minister Chea Sim are [the country, Buddhism].