Question: who is the only disney princess that has brothers
[{'answer': 'Princess Merida of DunBroch', 'provenance': [{'wikipedia_id': '36321728', 'title': 'Merida (Disney)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36321728', 'title': 'Merida (Disney)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 424, 'bleu_score': 0.8797691962223391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15931438289959851197}, 'section': 'Section::::Abstract.'}]}]