Question: when did japan become one of the leading manufacturers of automobiles in the world
[{'answer': 'the 1960s', 'provenance': [{'wikipedia_id': '30864860', 'title': 'Automotive industry in Japan', 'start_paragraph_id': 1, 'start_character': 182, 'end_paragraph_id': 1, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30864860', 'title': 'Automotive industry in Japan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 808, 'bleu_score': 0.9666817114186481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3806206691180381534}, 'section': 'Section::::Abstract.'}]}]