Question: what year did the camaro z28 come out
[{'answer': '1980', 'provenance': [{'wikipedia_id': '234492', 'title': 'Chevrolet Camaro', 'start_paragraph_id': 13, 'start_character': 4, 'end_paragraph_id': 13, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Second generation (1970 - 1981).\n'}]}, {'provenance': [{'wikipedia_id': '234492', 'title': 'Chevrolet Camaro', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 117, 'bleu_score': 0.9067110266941041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11355020190617825245}, 'section': 'Section::::Second generation (1970 - 1981).\n'}]}]