Question: who led the charge of the light brigade
[{'answer': 'Lord Cardigan', 'provenance': [{'wikipedia_id': '18973479', 'title': 'Charge of the Light Brigade', 'start_paragraph_id': 1, 'start_character': 104, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18973479', 'title': 'Charge of the Light Brigade', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 415, 'bleu_score': 0.7450987117990561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 960322322900746818}, 'section': 'Section::::Abstract.'}]}]