Question: when did toyota start selling cars in the us
[{'answer': 'early 1980s', 'provenance': [{'wikipedia_id': '30984', 'title': 'Toyota', 'start_paragraph_id': 57, 'start_character': 277, 'end_paragraph_id': 57, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::History.:1960s–1970s.\n'}]}, {'provenance': [{'wikipedia_id': '30984', 'title': 'Toyota', 'start_paragraph_id': 57, 'start_character': 0, 'end_paragraph_id': 57, 'end_character': 288, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4851781136410574945}, 'section': 'Section::::History.:1960s–1970s.\n'}]}]