Question: what type of cancer is associated with the brac1 gene
[{'answer': 'breast cancer', 'provenance': [{'wikipedia_id': '412097', 'title': 'BRCA1', 'start_paragraph_id': 2, 'start_character': 450, 'end_paragraph_id': 2, 'end_character': 463, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]