Question: when did education become free in the uk
[{'answer': '1891', 'provenance': [{'wikipedia_id': '18018802', 'title': 'History of education in England', 'start_paragraph_id': 50, 'start_character': 5, 'end_paragraph_id': 50, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Nineteenth century.:Compulsory and free primary education: 1880s and 1890s.\n'}]}, {'provenance': [{'wikipedia_id': '18018802', 'title': 'History of education in England', 'start_paragraph_id': 50, 'start_character': 0, 'end_paragraph_id': 50, 'end_character': 153, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6731167122924607871}, 'section': 'Section::::Nineteenth century.:Compulsory and free primary education: 1880s and 1890s.\n'}]}]