What is the {public office} for {position held} of {Moon Jae-in}
who public office for position held of Moon Jae-in?
 select distinct ?obj where { wd:Q21001 wdt:P39 ?obj . ?obj wdt:P31 wd:Q294414 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q21001> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q294414> } 
who open office for position held of Moon Jae-in?