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 (2004)"): A quickly moving system, Nanmadol brought heavy rainfall and strong winds over the same regions impacted by the previous storms, exacerbating flood conditions in Luzon and surrounding regions.
Relevant evidence: No