Question: The Challenge, is a reality game show on MTV that is spun off from the network's two reality shows, "Real World" and "Road Rules", "The Challenge" is currently hosted by T. J. Lavin, is an American BMX rider and the host of MTV's "The Challenge" since its eleventh season, born on which date?
{'answer': 'December 7, 1976', 'supporting_facts': [['The Challenge (TV series)', 3], ['T. J. Lavin', 0]]}