Question: top 10 largest country in africa by land mass
[{'answer': 'Algeria'}, {'answer': 'Democratic Republic of the Congo'}, {'answer': 'Sudan', 'provenance': [{'wikipedia_id': '50165241', 'title': 'List of African countries by area', 'start_paragraph_id': 1, 'start_character': 75, 'end_paragraph_id': 1, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Libya'}, {'answer': 'Chad'}, {'answer': 'Niger'}, {'answer': 'Angola'}, {'answer': 'Mali'}, {'answer': 'South Africa'}, {'answer': 'Ethiopia'}]