Question: which i/o address is used by the com2 port
[{'answer': 'I / O port 0x2F8', 'provenance': [{'wikipedia_id': '93495', 'title': 'COM (hardware interface)', 'start_paragraph_id': 8, 'start_character': 74, 'end_paragraph_id': 8, 'end_character': 85, 'bleu_score': 0.668740304976422, 'section': 'Section::::I/O addresses.\n'}]}]