Question: Princess Cheonmyeong, was a princess of Silla, one of the Three Kingdoms of Korea, and is notable as the sister of Queen Seondeok of Silla, and reigned as Silla's which number ruler?
Sentence (from "Queen Seondeok of Silla"): She was the second female sovereign in recorded East Asian history and encouraged a renaissance in thought, literature, and the arts in Silla.
Relevant evidence: No