Question: what size engine does a 2000 chevy silverado have
[{'answer': 'Vortec 4300 V6', 'provenance': [{'wikipedia_id': '865341', 'title': 'Chevrolet Silverado', 'start_paragraph_id': 13, 'start_character': 98, 'end_paragraph_id': 13, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::First generation (1999–2007).:Light duty.\n'}]}, {'answer': 'Vortec 4800 V8', 'provenance': [{'wikipedia_id': '865341', 'title': 'Chevrolet Silverado', 'start_paragraph_id': 13, 'start_character': 114, 'end_paragraph_id': 13, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::First generation (1999–2007).:Light duty.\n'}]}, {'answer': 'Vortec 5300 V8', 'provenance': [{'wikipedia_id': '865341', 'title': 'Chevrolet Silverado', 'start_paragraph_id': 13, 'start_character': 138, 'end_paragraph_id': 13, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::First generation (1999–2007).:Light duty.\n'}]}, {'provenance': [{'wikipedia_id': '865341', 'title': 'Chevrolet Silverado', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 355, 'bleu_score': 0.7796387612872601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8615958319053905699}, 'section': 'Section::::First generation (1999–2007).:Light duty.\n'}]}]