Question: what are the names of the counties in wales
[{'answer': 'Gwent', 'provenance': [{'wikipedia_id': '357499', 'title': 'Preserved counties of Wales', 'start_paragraph_id': 10, 'start_character': 300, 'end_paragraph_id': 10, 'end_character': 305, 'bleu_score': 1.0, 'section': 'Section::::Boundary changes.\n'}]}, {'answer': 'South Glamorgan', 'provenance': [{'wikipedia_id': '357499', 'title': 'Preserved counties of Wales', 'start_paragraph_id': 9, 'start_character': 332, 'end_paragraph_id': 9, 'end_character': 347, 'bleu_score': 1.0, 'section': 'Section::::Boundary changes.\n'}]}, {'answer': 'Mid Glamorgan', 'provenance': [{'wikipedia_id': '357499', 'title': 'Preserved counties of Wales', 'start_paragraph_id': 9, 'start_character': 315, 'end_paragraph_id': 9, 'end_character': 328, 'bleu_score': 1.0, 'section': 'Section::::Boundary changes.\n'}]}, {'answer': 'West Glamorgan', 'provenance': [{'wikipedia_id': '357499', 'title': 'Preserved counties of Wales', 'start_paragraph_id': 11, 'start_character': 21, 'end_paragraph_id': 11, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Boundary changes.\n'}]}, {'answer': 'Dyfed'}, {'answer': 'Powys', 'provenance': [{'wikipedia_id': '357499', 'title': 'Preserved counties of Wales', 'start_paragraph_id': 9, 'start_character': 239, 'end_paragraph_id': 9, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Boundary changes.\n'}]}, {'answer': 'Gwynedd', 'provenance': [{'wikipedia_id': '357499', 'title': 'Preserved counties of Wales', 'start_paragraph_id': 10, 'start_character': 375, 'end_paragraph_id': 10, 'end_character': 382, 'bleu_score': 1.0, 'section': 'Section::::Boundary changes.\n'}]}, {'answer': 'Clwyd', 'provenance': [{'wikipedia_id': '357499', 'title': 'Preserved counties of Wales', 'start_paragraph_id': 9, 'start_character': 230, 'end_paragraph_id': 9, 'end_character': 235, 'bleu_score': 1.0, 'section': 'Section::::Boundary changes.\n'}]}]