Question: Since when did this annual Christmas-themed entertainment program exist that attracts more views than its rival Google Santa Tracker around the holiday season?
Sentence (from "Half-Moon Friends"): Half-Moon Friends (Hangul: 반달친구; RR: "Bandalchingu") is a South Korean television entertainment program aired by JTBC from April 23, 2016 to July 16, 2016, total of 12 Episodes.
Relevant evidence: No