Question: what was the first song to be played on mtv
[{'answer': 'Video Killed the Radio Star', 'provenance': [{'wikipedia_id': '3162782', 'title': 'List of first music videos aired on MTV', 'start_paragraph_id': 2, 'start_character': 81, 'end_paragraph_id': 2, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3162782', 'title': 'List of first music videos aired on MTV', 'start_paragraph_id': 2, 'start_character': 38, 'end_paragraph_id': 2, 'end_character': 570, 'bleu_score': 0.632983537198461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16849213601727041650}, 'section': 'Section::::Abstract.'}]}]