What is {spouse} of {Ida Lupino} that is {start time} is {1951-1-1} ?
Who married Ida Lupino on January 1, 1951?
Who was married to Ida Lupino on January 1st, 1951?
SELECT ?r WHERE { FILTER ( CONTAINS ( YEAR ( ?k ) , '1951' ) ) . ?c property:spouse ?r . ?c property:start_time ?k . resource:Ida_Lupino property:spouse ?c }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q148669> .
?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> <1951-1-1>
} 

SELECT ?obj WHERE { wd:Q148669 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1951')) }