What is {spouse} of {Maureen Connolly} that is {start time} is {1955-1-1} ?
On January 1st, 1995 who became the wife of Maureen Connolly?
Who did Maureen Connolly marry on January 1st, 1955?
SELECT ?p WHERE { ?e property:start_time ?q . ?e property:spouse ?p . FILTER ( CONTAINS ( YEAR ( ?q ) , '1955' ) ) . resource:Maureen_Connolly property:spouse ?e }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q53390> .
?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> <1955-1-1>
} 

SELECT ?obj WHERE { wd:Q53390 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1955')) }