Question: when was the minimum wage introduced in uk
[{'answer': '1909', 'provenance': [{'wikipedia_id': '11933756', 'title': 'History of the minimum wage', 'start_paragraph_id': 11, 'start_character': 73, 'end_paragraph_id': 11, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::United Kingdom.\n'}]}, {'provenance': [{'wikipedia_id': '11933756', 'title': 'History of the minimum wage', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 767, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18293099521961907584}, 'section': 'Section::::United Kingdom.\n'}]}]