Question: Lee Hae-in is a part of the girl group formed by the company that was formerly known as what?
Sentence (from "The SeeYa"): The SeeYa (Korean: 더 씨야 ; stylized as "The SEEYA") was a South Korean R&B girl group formed by MBK Entertainment (formerly known as Core Contents Media) in 2012.
Relevant evidence: No