what is the {start time} for {Max Born} has {educated at} as {University of Wrocław} ?
When did Max Born begin studying at Wroclaw University?
When did Max Born begin his education at the University of Wrocław?
SELECT ?v WHERE { resource:Max_Born property:educated_at ?e . ?e property:educated_at resource:University_of_Wrocław . ?e property:start_time ?v }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q58978> .
?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> <http://wikidata.dbpedia.org/resource/Q315658> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q58978 p:P69 ?s . ?s ps:P69 wd:Q315658 . ?s pq:P580 ?value}