Question: who won carrie underwood season of american idol
[{'answer': 'Carrie Underwood', 'provenance': [{'wikipedia_id': '3755145', 'title': 'American Idol (season 4)', 'start_paragraph_id': 1, 'start_character': 201, 'end_paragraph_id': 1, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3755145', 'title': 'American Idol (season 4)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 402, 'bleu_score': 0.970795021215021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11757312595924368263}, 'section': 'Section::::Abstract.'}]}]