Question: what is the latitude of the south pole
[{'answer': '90 ° S', 'provenance': [{'wikipedia_id': '20611127', 'title': 'South Pole', 'start_paragraph_id': 5, 'start_character': 73, 'end_paragraph_id': 5, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Geography.\n'}]}]