Question: who is sara harvey in pretty little liars
[{'answer': 'Dre Davis', 'provenance': [{'wikipedia_id': '47675045', 'title': 'Sara Harvey (Pretty Little Liars)', 'start_paragraph_id': 1, 'start_character': 150, 'end_paragraph_id': 1, 'end_character': 159, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47675045', 'title': 'Sara Harvey (Pretty Little Liars)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 482, 'bleu_score': 0.947703439108541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3853938207956354760}, 'section': 'Section::::Abstract.'}]}]