Question: how old does car have to be a classic
[{'answer': '20 years and older', 'provenance': [{'wikipedia_id': '338360', 'title': 'Classic car', 'start_paragraph_id': 2, 'start_character': 5, 'end_paragraph_id': 2, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '338360', 'title': 'Classic car', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 61, 'bleu_score': 0.8242367502646051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5878018093916490510}, 'section': 'Section::::Abstract.'}]}]