Question: who ride war admiral in the movie seabiscuit
[{'answer': 'jockey Charles Kurtsinger', 'provenance': [{'wikipedia_id': '219112', 'title': 'Seabiscuit', 'start_paragraph_id': 25, 'start_character': 52, 'end_paragraph_id': 25, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Early five-year-old season.\n'}]}, {'provenance': [{'wikipedia_id': '219112', 'title': 'Seabiscuit', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 549, 'bleu_score': 0.8899764728341171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12424249098944090787}, 'section': 'Section::::Early five-year-old season.\n'}]}]