Question: when is the name of the electrical disturbance that happens with an extended reduction of power
[{'answer': 'brownout', 'provenance': [{'wikipedia_id': '296636', 'title': 'Power outage', 'start_paragraph_id': 7, 'start_character': 14, 'end_paragraph_id': 7, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Types of power outage.\n'}]}, {'provenance': [{'wikipedia_id': '296636', 'title': 'Power outage', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 240, 'bleu_score': 0.9466178497997021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12720373155985310329}, 'section': 'Section::::Types of power outage.\n'}]}]