A dynasty of this ethnic group was revived after its leader ended the “Kalabhra interregnum.” Rebels opposing leaders of this ethnicity formed the Confederation of Madja-as in the Philippines. This ethnic group created “singing steps” leading up to one of their three “Great Living” temples; that temple depicted legends associated with 63 “poet-saints” of this ethnicity. Some of the oldest literature written by this ethnic group is collected in the Eight Anthologies and the Ten Idylls, (10[1])which is part of their Sangam (10[1])literature. (10[2])A dynasty led by this ethnicity caused the collapse of the Sailendra (“shy-LAIN-druh”) dynasty during their invasion of Srivijaya led by Rajendra (-5[2])I. (10[1]-5[1])For 10 points, name this predominant ethnicity of the “Three Crowned Kings” (10[1])consisting of the Chera, Pandya, and Chola dynasties in (10[1])southern India. (10[1])■END■ (10[2])