what is the {start time} for {Sophie Marceau} has {spouse} as {Christopher Lambert} ?
What date did Sophie Marceau marry Christopher Lambert?
When did Sophie Marceau marry Christopher Lambert?
SELECT ?v WHERE { resource:Sophie_Marceau property:spouse ?z . ?z property:spouse resource:Christopher_Lambert . ?z property:start_time ?v }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q162753> .
?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/Q105158> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q162753 p:P26 ?s . ?s ps:P26 wd:Q105158 . ?s pq:P580 ?value}