Question: how many episodes in season 6 of burn notice
[{'answer': '18', 'provenance': [{'wikipedia_id': '33026589', 'title': 'Burn Notice (season 6)', 'start_paragraph_id': 6, 'start_character': 30, 'end_paragraph_id': 6, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]