Question: who wrote the poem the charge of the light brigade
[{'answer': 'Alfred , Lord Tennyson', 'provenance': [{'wikipedia_id': '3951682', 'title': 'The Charge of the Light Brigade (poem)', 'start_paragraph_id': 1, 'start_character': 63, 'end_paragraph_id': 1, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3951682', 'title': 'The Charge of the Light Brigade (poem)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 323, 'bleu_score': 0.8666234191508481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6072198862172266278}, 'section': 'Section::::Abstract.'}]}]