Question: where does us get most of its aluminum
[{'answer': 'Canada', 'provenance': [{'wikipedia_id': '47398405', 'title': 'Aluminum industry in the United States', 'start_paragraph_id': 14, 'start_character': 117, 'end_paragraph_id': 14, 'end_character': 123, 'bleu_score': 1.0, 'section': 'Section::::International trade.\n'}]}, {'provenance': [{'wikipedia_id': '47398405', 'title': 'Aluminum industry in the United States', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 123, 'bleu_score': 0.9146912192286941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14115961359795542622}, 'section': 'Section::::International trade.\n'}]}]