what is the {start time} for {Goldie Hawn} has {spouse} as {Gus Trikonis} ?
When did Goldie Hawn and Gus Trikonis get hitched?
When did Goldie Hawn and Gus Trikonis get married?
SELECT ?h WHERE { ?y property:spouse resource:Gus_Trikonis . resource:Goldie_Hawn property:spouse ?y . ?y property:start_time ?h }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q188459> .
?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/Q5620782> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q188459 p:P26 ?s . ?s ps:P26 wd:Q5620782 . ?s pq:P580 ?value}