Question: what is the solvent in tincture of iodine
[{'answer': 'ethanol', 'provenance': [{'wikipedia_id': '474905', 'title': 'Tincture of iodine', 'start_paragraph_id': 1, 'start_character': 188, 'end_paragraph_id': 1, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '474905', 'title': 'Tincture of iodine', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 518, 'bleu_score': 0.9776501033621461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16322662809490744272}, 'section': 'Section::::USP formulas.\n'}]}]