Question: What is the date of death of Infante Philip, Duke Of Calabria's father?
Sentence (from "Princess Anne, Duchess of Calabria"): Princess Anne of Bourbon- Two Sicilies, Dowager Duchess of Calabria(" née" Princess Anne d' Orléans; born 4 December 1938) is the widow of Infante Carlos, Duke of Calabria.
Relevant evidence: No