Question: who plays young fiona in american horror story coven
[{'answer': 'Riley Voelkel', 'provenance': [{'wikipedia_id': '45653724', 'title': 'Riley Voelkel', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45653724', 'title': 'Riley Voelkel', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 348, 'bleu_score': 0.867654658129071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5798557689937721142}, 'section': 'Section::::Abstract.'}]}]