Question: what version of linux is smoothwall based on
[{'answer': 'Red Hat Linux', 'provenance': [{'wikipedia_id': '1239353', 'title': 'SmoothWall', 'start_paragraph_id': 8, 'start_character': 229, 'end_paragraph_id': 8, 'end_character': 242, 'bleu_score': 1.0, 'section': 'Section::::Smoothwall Express.\n'}]}, {'provenance': [{'wikipedia_id': '1239353', 'title': 'SmoothWall', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 493, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14574067165292256184}, 'section': 'Section::::Smoothwall Express.\n'}]}]