Question: who wants to be a millionaire original air date
[{'answer': 'August 16 , 1999', 'provenance': [{'wikipedia_id': '3729941', 'title': 'Who Wants to Be a Millionaire (American game show)', 'start_paragraph_id': 88, 'start_character': 90, 'end_paragraph_id': 88, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Broadcast history.:American Broadcasting Company (ABC).\n'}]}, {'provenance': [{'wikipedia_id': '3729941', 'title': 'Who Wants to Be a Millionaire (American game show)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 471, 'bleu_score': 0.795721983934858, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11434975974238594959}, 'section': 'Section::::Abstract.'}]}]