what is the {of} for {Jacinda Ardern} has {position held} as {president} ?
What is Jacinda Ardern president of?
SELECT ?value WHERE { wd:Q3606816 p:P39 ?s . ?s ps:P39 wd:Q1255921 . ?s pq:P642 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q3606816> .
?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> <http://wikidata.dbpedia.org/resource/Q1255921> .
?statement <http://www.wikidata.org/entity/P642> ?value. 
} 

What does Jacinda Ardern preside over?