Question: when did michael jackson first do moon walk
[{'answer': 'March 25 , 1983', 'provenance': [{'wikipedia_id': '1721923', 'title': 'Moonwalk (dance)', 'start_paragraph_id': 26, 'start_character': 509, 'end_paragraph_id': 26, 'end_character': 524, 'bleu_score': 1.0, 'section': 'Section::::History.:1980s.:Michael Jackson and the moonwalk.\n'}]}]