What is {date of birth} of {Christopher Columbus} that is {latest date} is {1451-10-31} ?
What day was Christopher Columbus born?
Is the date of birth for Christoper Columbus 1451-10-31?
SELECT ?j WHERE { resource:Christopher_Columbus property:date_of_birth ?o . ?o property:latest_date ?j . FILTER ( CONTAINS ( YEAR ( ?j ) , '1451' ) ) . ?o property:date_of_birth ?j }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q7322> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P569> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P1326> <1451-10-31>
} 

SELECT ?obj WHERE { wd:Q7322 p:P569 ?s . ?s ps:P569 ?obj . ?s pq:P1326 ?x filter(contains(YEAR(?x),'1451')) }