Question: how old is margaret in north and south
[{'answer': 'nineteen years old', 'provenance': [{'wikipedia_id': '9011472', 'title': 'Margaret Hale', 'start_paragraph_id': 10, 'start_character': 17, 'end_paragraph_id': 10, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Biography.\n'}]}, {'provenance': [{'wikipedia_id': '9011472', 'title': 'Margaret Hale', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 366, 'bleu_score': 0.9694566079002921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16529625402601770014}, 'section': 'Section::::Biography.\n'}]}]