Question: Happy Sunday, is a Korean reality-variety show shown on the KBS2 network, on November 3, 2013 "Star Family Show Mamma Mia" was moved to Wednesday nights and replaced with "The Return of Superman", also known as Superman Is Back, a South Korean reality-variety show, that airs on which channel?
{'answer': 'KBS2', 'supporting_facts': [['Happy Sunday', 7], ['The Return of Superman (TV series)', 0]]}