What is {educated at} of {Irena Szewińska} that is {end time} is {1970-0-0} ?
Towards the end of 1970, where was Irena Szewinska a student?
What school did Irena Szewinska attend at the end of 1970?
SELECT ?p WHERE { ?c property:educated_at ?p . FILTER ( CONTAINS ( YEAR ( ?v ) , '1970' ) ) . ?c property:end_time ?v . resource:Irena_Szewińska property:educated_at ?c }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q229424> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P69> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P582> <1970-0-0>
} 

SELECT ?obj WHERE { wd:Q229424 p:P69 ?s . ?s ps:P69 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1970')) }