What is {spouse} of {Honoré de Balzac} that is {start time} is {1850-3-14} ?
Mention the spouse name of Honore de Balzac in the year 1850?.
Who was the spouse of Honoré de Balzac in the year 1850?
SELECT ?d WHERE { ?a property:spouse ?d . FILTER ( CONTAINS ( YEAR ( ?x ) , '1850' ) ) . resource:Honoré_de_Balzac property:spouse ?a . ?a property:start_time ?x }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q9711> .
?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> <1850-3-14>
} 

SELECT ?obj WHERE { wd:Q9711 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1850')) }