Question: What religion did the president follow which was served by Kang Young-hoon?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Kang_Young-hoon> <http://dbpedia.org/property/president> ?x . ?x <http://dbpedia.org/ontology/religion> ?uri  . }
Answer: [Buddhism] is the religion the president followed which was served by Kang Young-hoon.