What is {date of birth} of {Pedro Álvares Cabral} that is {instance of} is {statement with Gregorian date earlier than 1584} ?
What was the Pedro Alvares Cabral instance of statement with Gregorian date earlier than 1854?
SELECT ?obj WHERE { wd:Q174432 p:P569 ?s . ?s ps:P569 ?obj . ?s pq:P31 wd:Q26961029 }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q174432> .
?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>
} 

What was the Pedro Alvares Cabral occurrence of explanation with Gregorian date prior than 1854?