What is {date of birth} of {Pericles} that is {instance of} is {statement with Gregorian date earlier than 1584} ?
If the Gregorian date of birth of Pericles was 1584 then what is his date of birth?
When was Pericles born, given that the Gregorian  date of his birth is earlier than 1584
SELECT ?y WHERE { ?c property:date_of_birth ?y . ?c rdf:type ontology:statement_with_Gregorian_date_earlier_than_1584 . resource:Pericles property:date_of_birth ?c }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q80398> .
?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/P31> <http://wikidata.dbpedia.org/resource/Q26961029>
} 

SELECT ?obj WHERE { wd:Q80398 p:P569 ?s . ?s ps:P569 ?obj . ?s pq:P31 wd:Q26961029 }