what is the {postal code} for {Seoul National University} has {headquarters location} as {Seoul} ?
What is the postal code for Seoul National University in Seoul?
SELECT ?value WHERE { wd:Q39913 p:P159 ?s . ?s ps:P159 wd:Q8684 . ?s pq:P281 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q39913> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P159> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q8684> .
?statement <http://www.wikidata.org/entity/P281> ?value. 
} 

What is the postal code for Seoul National College in Seoul?