Question: who wrote in a station of the metro
[{'answer': 'Ezra Pound', 'provenance': [{'wikipedia_id': '275993', 'title': 'In a Station of the Metro', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '275993', 'title': 'In a Station of the Metro', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 474, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 827097708385872667}, 'section': 'Section::::Abstract.'}]}]