Question: when was the first roll of toilet paper invented
[{'answer': '1883', 'provenance': [{'wikipedia_id': '37993', 'title': 'Toilet paper', 'start_paragraph_id': 2, 'start_character': 281, 'end_paragraph_id': 2, 'end_character': 285, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37993', 'title': 'Toilet paper', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 285, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5480055579028361323}, 'section': 'Section::::Abstract.'}]}]