Question: What was the codename of the battle which almost destroyed Shuri Castle?
Sentence (from "List of Historic Sites of Japan (Okinawa)"): The mausoleum complex of Tamaudun, Shuri Castle, Katsuren Castle, Nakagusuku Castle, Nakijin Castle, Zakimi Castle, Sefa-utaki, and Sonohyan-utaki all form part of the UNESCO World Heritage Site Gusuku Sites and Related Properties of the Kingdom of Ryukyu.
Relevant evidence: No