Question: What was the name used by the singer whose debut mini-album was Walkin' when she appeared as a contestant on "King of Mask Singer"?
Sentence (from "The Mask Singer (season 3)"): The Mask Singer Season 3 (Thai: The Mask Singer หน้ากากนักร้อง 3 ) is a Thai singing competition program presented by Kan Kantathavorn.
Relevant evidence: No