what is the {instance of} for {Chaitanya Mahaprabhu} has {date of birth} as {1486-1-1} ?
Tell me when Chaitanya Mahaprabhu was born.
At what instance Chaitanya Mahaprabhu had his birth in the year 1486?
SELECT ?v WHERE { FILTER ( CONTAINS ( YEAR ( ?a ) , '1486' ) ) . ?p rdf:type ?v . resource:Chaitanya_Mahaprabhu property:date_of_birth ?p . ?p property:date_of_birth ?a }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q870262> .
?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> <1486-1-1> .
?statement <http://www.wikidata.org/entity/P31> ?value. 
} 

SELECT ?value WHERE { wd:Q870262 p:P569 ?s . ?s ps:P569 ?x filter(contains(YEAR(?x),'1486')) . ?s pq:P31 ?value}