Question: What is the date of death of Ferdinando De' Medici, Grand Prince Of Tuscany's father?
Sentence (from "Cosimo III de' Medici, Grand Duke of Tuscany"): Ferdinando in 1663, Anna Maria Luisa, Electress Palatine, in 1667, and Gian Gastone, the last Medicean ruler of Tuscany, in 1671.
Relevant evidence: No