What is {instance of} of {Prussia} that is {end time} is {1947-2-25} ?
Was Feb 25, 1947 the date that Prussia ceased to exist?
Did Prussia end in 1947-2-25
SELECT ?n WHERE { FILTER ( CONTAINS ( YEAR ( ?y ) , '1947' ) ) . resource:Prussia rdf:type ?v . ?v rdf:type ?n . ?v property:end_time ?y }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q38872> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P31> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P582> <1947-2-25>
} 

SELECT ?obj WHERE { wd:Q38872 p:P31 ?s . ?s ps:P31 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1947')) }