Question: who played cosette in les miserables 25th anniversary
[{'answer': 'Katie Hall', 'provenance': [{'wikipedia_id': '35262314', 'title': 'Les Misérables in Concert: The 25th Anniversary', 'start_paragraph_id': 2, 'start_character': 107, 'end_paragraph_id': 2, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35262314', 'title': 'Les Misérables in Concert: The 25th Anniversary', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 903, 'bleu_score': 0.9863473221773311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 470827331821163280}, 'section': 'Section::::Abstract.'}]}]