Question: When did Yitzhak Yosef's father die?
Sentence (from "Yitzhak Yosef"): Yitzhak Yosef (born January 16, 1952) is the Sephardi Chief Rabbi of Israel, also known as the Rishon LeZion, the rosh yeshiva of Yeshivat Hazon Ovadia, and the author of a set of books on Jewish law called Yalkut Yosef.
Relevant evidence: No