Question: who produces the most butter in the world
[{'answer': 'India', 'provenance': [{'wikipedia_id': '46183', 'title': 'Butter', 'start_paragraph_id': 35, 'start_character': 346, 'end_paragraph_id': 35, 'end_character': 351, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '46183', 'title': 'Butter', 'start_paragraph_id': 58, 'start_character': 0, 'end_paragraph_id': 58, 'end_character': 541, 'bleu_score': 0.5079155301367171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8395705706619813543}, 'section': 'Section::::Worldwide.\n'}]}]