What is {date of birth} of {Hugh Willoughby} that is {instance of} is {statement with Gregorian date earlier than 1584} ?
Tell me if Hugh Willoughby was born prior to the Gregorian date of 1984?
SELECT ?obj WHERE { wd:Q763357 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/Q763357> .
?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>
} 

Was Hugh Willoughby born prior to the Gregorian date 1984?