Question: name five present-day countries in southern africa that were once controlled by britain
[{'answer': 'Botswana'}, {'answer': 'Zimbabwe'}, {'answer': 'Malawi'}, {'answer': 'Lesotho'}, {'answer': 'Tanzania', 'provenance': [{'wikipedia_id': '9269', 'title': 'List of former sovereign states', 'start_paragraph_id': 79, 'start_character': 74, 'end_paragraph_id': 79, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Modern states and territories by geography.:Africa.:Sub-Saharan Africa.:Eastern Africa.\n'}]}]