Question: Kadava was the name of a Tamil ruling dynasty who ruled parts of the Tamil country during the thirteenth and the fourteenth century, it was at the height of their power briefly during the reigns of Kopperunchinga I and Kopperunchinga II, the two rulers were powerful enough to challenge the waning Chola dynasty, was one of the longest-ruling dynasties in the history of the southern region, of which country?
Sentence (from "Chola dynasty"): As one of the Three Crowned Kings of Tamilakam, the dynasty continued to govern over varying territory until the 13th century CE.
Relevant evidence: No