Question: What is Filippo Brunelleschi's birthday, given that he was born earlier than 1584 AD?
Paraphrase: If Filippo Brunelleschi was born before 1584 AD when was his birthday?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q174330 p:P569 ?s . ?s ps:P569 ?obj . ?s pq:P31 wd:Q26961029 }