Question: who plays alexandra cabot on law and order svu
[{'answer': 'Stephanie March', 'provenance': [{'wikipedia_id': '2191608', 'title': 'Alexandra Cabot', 'start_paragraph_id': 1, 'start_character': 95, 'end_paragraph_id': 1, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2191608', 'title': 'Alexandra Cabot', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 160, 'bleu_score': 0.7179507199399291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18276498878994483938}, 'section': 'Section::::Abstract.'}]}]