Question: who plays the little girl in twilight breaking dawn part 2
[{'answer': 'Mackenzie Christine Foy', 'provenance': [{'wikipedia_id': '29012475', 'title': 'Mackenzie Foy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '29012475', 'title': 'Mackenzie Foy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 474, 'bleu_score': 0.6292569544409571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5642838804737859399}, 'section': 'Section::::Abstract.'}]}]