Question: by product of saponification of fats and oils
[{'answer': 'soap', 'provenance': [{'wikipedia_id': '268331', 'title': 'Saponification', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '268331', 'title': 'Saponification', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 647, 'bleu_score': 0.965998324468304, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11938035167367463624}, 'section': 'Section::::Saponification of fats.\n'}]}]