Question: when was dog fighting banned in the uk
[{'answer': '1835', 'provenance': [{'wikipedia_id': '305835', 'title': 'Dog fighting', 'start_paragraph_id': 7, 'start_character': 766, 'end_paragraph_id': 7, 'end_character': 770, 'bleu_score': 1.0, 'section': 'Section::::European history.\n'}]}]