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, which is part of their Sangam (10[1])literature. (10[1])A dynasty led by this ethnicity caused the collapse of the Sailendra (“shy-LAIN-druh”) dynasty (10[1])during their invasion of Srivijaya led by Rajendra I. For 10 points, name this (-5[1])predominant ethnicity of the “Three Crowned Kings” consisting of the Chera, Pandya, and Chola dynasties in southern India. ■END■ (10[1])