Question: who plays mr fitz in pretty little liars
[{'answer': 'Ian Harding', 'provenance': [{'wikipedia_id': '27722420', 'title': 'Ian Harding', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27722420', 'title': 'Ian Harding', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 149, 'bleu_score': 0.7754119950192441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14976816407036063686}, 'section': 'Section::::Abstract.'}]}]