Question: where does multani mitti come from in india
[{'answer': 'Multan', 'provenance': [{'wikipedia_id': '840652', 'title': "Fuller's earth", 'start_paragraph_id': 17, 'start_character': 8, 'end_paragraph_id': 17, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Historical significance.\n'}]}]