How many {US National Archives Identifier} are for {icebreaker} ?
For the US National Archives Identifier, what is the icebreaker?
What's the icebreaker for the US National Archives Identifier?
SELECT ( COUNT ( ?k ) AS ?t ) { resource:icebreaker property:U.S._National_Archives_Identifier ?k }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q14978> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1225> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q14978 wdt:P1225 ?obj }
0