what is the {end time} for {Betty Grable} has {spouse} as {Jackie Coogan} ?
When did Betty Grable die who was married to Jackie Coogan?
SELECT ?value WHERE { wd:Q233852 p:P26 ?s . ?s ps:P26 wd:Q313279 . ?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/Q233852> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P26> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q313279> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

Jackie Coogan's spouse, Betty Grable, died on what date?