What is {spouse} of {Zsa Zsa Gabor} that is {start time} is {1975-1-21} ?
To whom did Zsa Zsa Gabor got married on January 21, 1975?
Who did Zsa Zsa Gabor marry on January 21, 1975?
SELECT ?b WHERE { ?i property:start_time ?x . resource:Zsa_Zsa_Gabor property:spouse ?i . ?i property:spouse ?b . FILTER ( CONTAINS ( YEAR ( ?x ) , '1975' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q207405> .
?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> <1975-1-21>
} 

SELECT ?obj WHERE { wd:Q207405 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1975')) }