Question: when was gatorade first sold to the public
[{'answer': '1969', 'provenance': [{'wikipedia_id': '222700', 'title': 'Gatorade', 'start_paragraph_id': 7, 'start_character': 18, 'end_paragraph_id': 7, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '222700', 'title': 'Gatorade', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 1386, 'bleu_score': 0.9634448463611561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6109726254662386138}, 'section': 'Section::::History.\n'}]}]