Question: when was michael jackson off the wall released
[{'answer': 'August 10 , 1979', 'provenance': [{'wikipedia_id': '19043622', 'title': 'Off the Wall', 'start_paragraph_id': 1, 'start_character': 92, 'end_paragraph_id': 1, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]