Question: What is the death date of Gendun Drup in terms of the Gregorian date being earlier than 1584?
Paraphrase: The Gregorian date is earlier than 1584, what day did Gendun Drup die?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q25260 p:P570 ?s . ?s ps:P570 ?obj . ?s pq:P31 wd:Q26961029 }