Question: Typhoon Nanmadol was derived from the name of a ruined city that was the capital of the Saudeleur Dynasty until when?
Sentence (from "Typhoon Nanmadol (2011)"): The name "Nanmadol" is derived from Nan Madol, a ruined city that lies off the eastern shore of the island of Pohnpei that was the capital of the Saudeleur dynasty until about AD 1500.
Relevant evidence: Yes