Question: who was the jockey that rode justify in the kentucky derby
[{'answer': 'Michael Earl Smith', 'provenance': [{'wikipedia_id': '1865804', 'title': 'Mike E. Smith', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1865804', 'title': 'Mike E. Smith', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 501, 'bleu_score': 0.978606533029418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8399418838828111573}, 'section': 'Section::::Abstract.'}]}]