what is the {start time} for {Claire Trevor} has {spouse} as {Milton H. Bren} ?
When were Claire Trevor and Milton H. Bren married?
When did Claire Trevor and Milton H. Bren get married?
SELECT ?l WHERE { resource:Claire_Trevor property:spouse ?q . ?q property:spouse resource:Milton_H._Bren . ?q property:start_time ?l }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q233850> .
?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/Q6861118> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q233850 p:P26 ?s . ?s ps:P26 wd:Q6861118 . ?s pq:P580 ?value}