What is {educated at} of {Nicolaus Copernicus} that is {end time} is {1503-0-0} ?
Where was Nicolaus Copernicus educated in 1503?
SELECT ?obj WHERE { wd:Q619 p:P69 ?s . ?s ps:P69 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1503')) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q619> .
?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> <1503-0-0>
} 

Nicolaus Copernicus completed his education in 1503 at which institution?