Question: when was the first ice cream parlor opened
[{'answer': '1686', 'provenance': [{'wikipedia_id': '2298022', 'title': 'Ice cream parlor', 'start_paragraph_id': 3, 'start_character': 136, 'end_paragraph_id': 3, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '2298022', 'title': 'Ice cream parlor', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 356, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5253208636435226530}, 'section': 'Section::::History.\n'}]}]