what is the {end time} for {Alexey Leonov} has {significant event} as {extra-vehicular activity} ?
Give me end time for Alexey Leonov has significant event as extra-vehicular activity?
SELECT ?value WHERE { wd:Q154269 p:P793 ?s . ?s ps:P793 wd:Q182020 . ?s pq:P582 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q154269> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P793> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q182020> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

When Does Alexey Leonov's event end?