what is the {start time} for {Kareena Kapoor} has {spouse} as {Saif Ali Khan} ?
On what date did Kareena Kapoor marry Saif Ali Khan?
When did Kareena Kapoor marry Saif Ali Khan?
SELECT ?b WHERE { ?w property:start_time ?b . ?w property:spouse resource:Saif_Ali_Khan . resource:Kareena_Kapoor property:spouse ?w }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q184885> .
?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/Q252290> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q184885 p:P26 ?s . ?s ps:P26 wd:Q252290 . ?s pq:P580 ?value}