What is {spouse} of {Juan Domingo Perón} that is {start time} is {1929-1-5} ?
Who became Juan Domingo Peron's wife on 1929-1-5?
Who did Juan Domingo Perón get married to on 1929-1-5?
SELECT ?z WHERE { ?d property:start_time ?t . ?d property:spouse ?z . resource:Juan_Domingo_Perón property:spouse ?d . FILTER ( CONTAINS ( YEAR ( ?t ) , '1929' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q93330> .
?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> <1929-1-5>
} 

SELECT ?obj WHERE { wd:Q93330 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1929')) }