What is date of death of Al-Nawawi? That is instance of is statement with Gregorian date earlier than 1584?
SELECT ?obj WHERE { wd:Q293571 p:P570 ?s . ?s ps:P570 ?obj . ?s pq:P31 wd:Q26961029 }
al-nawawi: Q293571 statement with gregorian date earlier than 1584: Q26961029