Question: when did chevy stop making the astro van
[{'answer': '2005', 'provenance': [{'wikipedia_id': '377143', 'title': 'Chevrolet Astro', 'start_paragraph_id': 1, 'start_character': 148, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]