What is {spouse} of {Rudolph Valentino} that is {start time} is {1923-1-1} ?
Regarding the relationship of Rudolph Valentino on January 1st, 1923, who was his spouse?
Who was the spouse of Rudolph Valentino on January 1st, 1923?
SELECT ?b WHERE { ?i property:start_time ?q . resource:Rudolph_Valentino property:spouse ?i . ?i property:spouse ?b . FILTER ( CONTAINS ( YEAR ( ?q ) , '1923' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q188692> .
?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> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1923-1-1>
} 

SELECT ?obj WHERE { wd:Q188692 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1923')) }