Question: when did they first put radios in cars
[{'answer': '1933', 'provenance': [{'wikipedia_id': '78427', 'title': 'Vehicle audio', 'start_paragraph_id': 7, 'start_character': 577, 'end_paragraph_id': 7, 'end_character': 581, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '78427', 'title': 'Vehicle audio', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 771, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1038020568969252652}, 'section': 'Section::::History.\n'}]}]