Question: who voices spirit in spirit stallion of the cimarron
[{'answer': 'Matt Damon', 'provenance': [{'wikipedia_id': '706047', 'title': 'Spirit: Stallion of the Cimarron', 'start_paragraph_id': 1, 'start_character': 342, 'end_paragraph_id': 1, 'end_character': 352, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '706047', 'title': 'Spirit: Stallion of the Cimarron', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 32, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4639032364465522520}, 'section': 'Section::::Cast.\n'}]}]