Question: what percentage of the population live in the northern hemisphere
[{'answer': 'around 90 %', 'provenance': [{'wikipedia_id': '22126', 'title': 'Northern Hemisphere', 'start_paragraph_id': 13, 'start_character': 78, 'end_paragraph_id': 13, 'end_character': 91, 'bleu_score': 1.0, 'section': 'Section::::Demographics.\n'}]}, {'provenance': [{'wikipedia_id': '22126', 'title': 'Northern Hemisphere', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 148, 'bleu_score': 0.9214109120166031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7495125396730643154}, 'section': 'Section::::Demographics.\n'}]}]