Question: What year was the mother of Masako, Crown Princess of Japan born?
Sentence (from "Tōgū Palace"): The Tōgū Palace (東宮御所 , Tōgū-gosho ) is located in the Akasaka Estate in Akasaka, Tokyo, and is the official residence of Crown Prince Naruhito, Crown Princess Masako and their daughter Princess Toshi.
Relevant evidence: No