what is the {start time} for {Kim Philby} has {spouse} as {Rufina Pukhova} ?
What was the date of the wedding of Rufina Pukhova and Kim Philby?
When did Rufina Pukhova and Kim Philby get married?
SELECT ?m WHERE { ?d property:spouse resource:Rufina_Pukhova . ?d property:start_time ?m . resource:Kim_Philby property:spouse ?d }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q296313> .
?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/Q7377949> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q296313 p:P26 ?s . ?s ps:P26 wd:Q7377949 . ?s pq:P580 ?value}