Question: where do we find the highest genetic diversity among human populations
[{'answer': 'Africa', 'provenance': [{'wikipedia_id': '4816754', 'title': 'Human genetic variation', 'start_paragraph_id': 6, 'start_character': 68, 'end_paragraph_id': 6, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]