Question: what part of the body does the left subclavian artery supply
[{'answer': 'the left arm', 'provenance': [{'wikipedia_id': '295054', 'title': 'Subclavian artery', 'start_paragraph_id': 1, 'start_character': 195, 'end_paragraph_id': 1, 'end_character': 207, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '295054', 'title': 'Subclavian artery', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 561, 'bleu_score': 0.978606533029418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11223187368915236104}, 'section': 'Section::::Abstract.'}]}]