Question: where does salt come from in the world
[{'answer': 'salt mines', 'provenance': [{'wikipedia_id': '1605200', 'title': 'Salt', 'start_paragraph_id': 4, 'start_character': 23, 'end_paragraph_id': 4, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'seawater', 'provenance': [{'wikipedia_id': '1605200', 'title': 'Salt', 'start_paragraph_id': 1, 'start_character': 245, 'end_paragraph_id': 1, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'spring water', 'provenance': [{'wikipedia_id': '1605200', 'title': 'Salt', 'start_paragraph_id': 3, 'start_character': 136, 'end_paragraph_id': 3, 'end_character': 148, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1605200', 'title': 'Salt', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 776, 'bleu_score': 0.9254505840357891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12613873095003978151}, 'section': 'Section::::Abstract.'}]}]