Question: when was first independence day celebrated in india
[{'answer': '15 August 1947', 'provenance': [{'wikipedia_id': '2499568', 'title': 'Independence Day (India)', 'start_paragraph_id': 1, 'start_character': 152, 'end_paragraph_id': 1, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2499568', 'title': 'Independence Day (India)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1155, 'bleu_score': 0.932587561379799, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9111814967244067289}, 'section': 'Section::::Abstract.'}]}]