Question: who plays jax wife on sons of anarchy
[{'answer': 'Maggie Siff', 'provenance': [{'wikipedia_id': '23293941', 'title': 'Tara Knowles', 'start_paragraph_id': 1, 'start_character': 100, 'end_paragraph_id': 1, 'end_character': 111, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]