Question: list the colonial names of the african states
[{'answer': 'Arguin', 'provenance': [{'wikipedia_id': '1844418', 'title': 'List of former European colonies', 'start_paragraph_id': 163, 'start_character': 12, 'end_paragraph_id': 163, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Africa.:Brandenburg.\n'}]}, {'answer': 'Dutch Cape Colony', 'provenance': [{'wikipedia_id': '1844418', 'title': 'List of former European colonies', 'start_paragraph_id': 241, 'start_character': 12, 'end_paragraph_id': 241, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Africa.:Netherlands.\n'}]}, {'answer': 'Dutch Gold Coast', 'provenance': [{'wikipedia_id': '1844418', 'title': 'List of former European colonies', 'start_paragraph_id': 242, 'start_character': 12, 'end_paragraph_id': 242, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Africa.:Netherlands.\n'}]}, {'answer': 'Dutch Loango - Angola'}, {'answer': 'Gorée', 'provenance': [{'wikipedia_id': '1844418', 'title': 'List of former European colonies', 'start_paragraph_id': 244, 'start_character': 12, 'end_paragraph_id': 244, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Africa.:Netherlands.\n'}]}, {'answer': 'Moçambique', 'provenance': [{'wikipedia_id': '1844418', 'title': 'List of former European colonies', 'start_paragraph_id': 245, 'start_character': 12, 'end_paragraph_id': 245, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Africa.:Netherlands.\n'}]}, {'answer': 'São Tomé', 'provenance': [{'wikipedia_id': '1844418', 'title': 'List of former European colonies', 'start_paragraph_id': 246, 'start_character': 12, 'end_paragraph_id': 246, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Africa.:Netherlands.\n'}]}, {'answer': 'South Africa', 'provenance': [{'wikipedia_id': '1844418', 'title': 'List of former European colonies', 'start_paragraph_id': 188, 'start_character': 12, 'end_paragraph_id': 188, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Africa.:Britain.\n'}]}]