Question: when did wearing a seatbelt become a law in california
[{'answer': '1993', 'provenance': [{'wikipedia_id': '11749520', 'title': 'Seat belt laws in the United States', 'start_paragraph_id': 4, 'start_character': 607, 'end_paragraph_id': 4, 'end_character': 611, 'bleu_score': 1.0, 'section': 'Section::::Primary and secondary enforcement.\n'}]}, {'provenance': [{'wikipedia_id': '11749520', 'title': 'Seat belt laws in the United States', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 786, 'bleu_score': 0.907771217592635, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13859247012715164256}, 'section': 'Section::::Primary and secondary enforcement.\n'}]}]