Question: when were sewing machines first used in the home
[{'answer': 'the 1860s', 'provenance': [{'wikipedia_id': '85012', 'title': 'Sewing machine', 'start_paragraph_id': 21, 'start_character': 136, 'end_paragraph_id': 21, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::History.:Spread and maturation.\n'}]}, {'provenance': [{'wikipedia_id': '85012', 'title': 'Sewing machine', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 642, 'bleu_score': 0.9518100826915871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16002317970602312753}, 'section': 'Section::::History.:Spread and maturation.\n'}]}]