Question: when did cars become more common than horses
[{'answer': 'early 1910s', 'provenance': [{'wikipedia_id': '502366', 'title': 'Horse and buggy', 'start_paragraph_id': 8, 'start_character': 7, 'end_paragraph_id': 8, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '502366', 'title': 'Horse and buggy', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 151, 'bleu_score': 0.929712191543383, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7099347846186739070}, 'section': 'Section::::History.\n'}]}]