Question: who is the little girl in gone baby gone
[{'answer': "Madeline O'Brien", 'provenance': [{'wikipedia_id': '5565988', 'title': 'Gone Baby Gone', 'start_paragraph_id': 18, 'start_character': 12, 'end_paragraph_id': 18, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]