what is the {instance of} for {Cesare Borgia} has {date of birth} as {1475-0-0} ?
What year was Casare Borgia's born?
What is Casare Borgia's date of birth?
SELECT ?t WHERE { FILTER ( CONTAINS ( YEAR ( ?v ) , '1475' ) ) . ?j rdf:type ?t . ?j property:date_of_birth ?v . resource:Cesare_Borgia property:date_of_birth ?j }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q187998> .
?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> <1475-0-0> .
?statement <http://www.wikidata.org/entity/P31> ?value. 
} 

SELECT ?value WHERE { wd:Q187998 p:P569 ?s . ?s ps:P569 ?x filter(contains(YEAR(?x),'1475')) . ?s pq:P31 ?value}