Question: who plays as aria in pretty little liars
[{'answer': 'Karen Lucille Hale', 'provenance': [{'wikipedia_id': '19049170', 'title': 'Lucy Hale', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]