what is the {end time} for {John Stockton} has {educated at} as {Gonzaga University} ?
John Stockton completed his education a Gonzaga Univ on what date?
When did John Stockton finished his education at the Gonzaga University?
SELECT ?a WHERE { ?w property:end_time ?a . resource:John_Stockton property:educated_at ?w . ?w property:educated_at resource:Gonzaga_University }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q213346> .
?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/Q1537303> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

SELECT ?value WHERE { wd:Q213346 p:P69 ?s . ?s ps:P69 wd:Q1537303 . ?s pq:P582 ?value}