Question: who is alex on law and order svu
[{'answer': 'permanent ADA'}, {'provenance': [{'wikipedia_id': '2191608', 'title': 'Alexandra Cabot', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 652, 'bleu_score': 0.75087588605548, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15334071571757623586}, 'section': 'Section::::Character overview.\n'}]}]