Question: who plays emily fields in pretty little liars
[{'answer': 'Shay Mitchell', 'provenance': [{'wikipedia_id': '27694958', 'title': 'Shay Mitchell', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27694958', 'title': 'Shay Mitchell', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 231, 'bleu_score': 0.7560931150622571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1214100564426994482}, 'section': 'Section::::Abstract.'}]}]