Question: What year did Norway have a 20,602 children not enrolled in school?
Paraphrase: What year was it that Norway didn't have 20,602 children enrolled in school?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q20 p:P2573 ?s . ?s ps:P2573 ?x filter(contains(?x , '20602.0')) . ?s pq:P585 ?value}