Question: what are the ages of the three finalists on american idol
[{'answer': '20', 'provenance': [{'wikipedia_id': '19293172', 'title': 'List of American Idol finalists', 'start_paragraph_id': 1, 'start_character': 84, 'end_paragraph_id': 1, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '23'}]