what is the {start time} for {Ingmar Bergman} has {spouse} as {Else Fisher} ?
What date did Ingmar Bergman marry Else Fisher?
When did Ingmar Bergman marry Else Fisher?
SELECT ?p WHERE { ?w property:spouse resource:Else_Fisher . ?w property:start_time ?p . resource:Ingmar_Bergman property:spouse ?w }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q7546> .
?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/Q3723687> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q7546 p:P26 ?s . ?s ps:P26 wd:Q3723687 . ?s pq:P580 ?value}