@prefix ps: <http://www.wikidata.org/prop/statement/> .
@prefix wds: <http://www.wikidata.org/entity/statement/> .
@prefix wikibase: <http://wikiba.se/ontology#> .

wds:P8647-449db7fe-4eb5-4ae5-bb1f-c8e53dbeccaa a wikibase:BestRank ;
    wikibase:rank wikibase:NormalRank ;
    ps:P1921 "http://id.loc.gov/authorities/childrensSubjects/$1" .