what is the {start time} for {Tina Fey} has {spouse} as {Jeff Richmond} ?
Tina Fey and Jeff Richmond married in what year?
When did Tina Fey marry Jeff Richmond?
SELECT ?b WHERE { ?f property:spouse resource:Jeff_Richmond . resource:Tina_Fey property:spouse ?f . ?f property:start_time ?b }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q14540> .
?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/Q641975> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q14540 p:P26 ?s . ?s ps:P26 wd:Q641975 . ?s pq:P580 ?value}