Question: when did labour come to power in the 90
[{'answer': '1997', 'provenance': [{'wikipedia_id': '19279158', 'title': 'Labour Party (UK)', 'start_paragraph_id': 3, 'start_character': 769, 'end_paragraph_id': 3, 'end_character': 773, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]