Question: who plays jenna marshall in pretty little liars
[{'answer': 'Tammin Pamela Sursok'}, {'provenance': [{'wikipedia_id': '901202', 'title': 'Tammin Sursok', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 240, 'bleu_score': 0.8164706157021601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15038560735342873008}, 'section': 'Section::::Abstract.'}]}]