Question: Which child actress began her career in 2006 and also stared in the television series The Emperor: Owner of the Mask?
Sentence (from "The Emperor: Owner of the Mask"): The Emperor: Owner of the Mask () is a South Korean television series starring Yoo Seung-ho, Kim So-hyun, Kim Myung-soo, Yoon So-hee, Heo Joon-ho and Park Chul-min.
Relevant evidence: Yes