Question: when was the anti lock braking system invented
[{'answer': '1928', 'provenance': [{'wikipedia_id': '59587', 'title': 'Anti-lock braking system', 'start_paragraph_id': 7, 'start_character': 72, 'end_paragraph_id': 7, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::History.:Early systems.\n'}]}, {'provenance': [{'wikipedia_id': '59587', 'title': 'Anti-lock braking system', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 205, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5311249203487871394}, 'section': 'Section::::History.:Early systems.\n'}]}]