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?
{'answer': 'twenty-seventh', 'supporting_facts': [['Princess Cheonmyeong of Silla', 0], ['Queen Seondeok of Silla', 0]]}