Question: Son of Batman was released as a digital download on April 22, 2014, as part of what direct-to-video film projects being created by Warner Premiere, Warner Bros. Animation, and DC Comics?
{'answer': 'DC Universe Animated Original Movies', 'supporting_facts': [['Son of Batman', 0], ['Son of Batman', 2], ['DC Universe Animated Original Movies', 0], ['DC Universe Animated Original Movies', 1]]}