Question: when did car insurance become mandatory in uk
[{'answer': '1930', 'provenance': [{'wikipedia_id': '567696', 'title': 'Vehicle insurance', 'start_paragraph_id': 4, 'start_character': 103, 'end_paragraph_id': 4, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '567696', 'title': 'Vehicle insurance', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 417, 'bleu_score': 0.9712154609069981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16254438060517149491}, 'section': 'Section::::History.\n'}]}]