Question: 4. which latitudes experience the greatest annual change in daylight hours
[{'answer': 'higher middle latitudes', 'provenance': [{'wikipedia_id': '10304194', 'title': 'Daytime', 'start_paragraph_id': 21, 'start_character': 119, 'end_paragraph_id': 21, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Daytime variations with latitude and seasons.:At middle latitudes.\n'}]}, {'provenance': [{'wikipedia_id': '10304194', 'title': 'Daytime', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 1021, 'bleu_score': 0.9341042766627771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 994147704240352657}, 'section': 'Section::::Daytime variations with latitude and seasons.:At middle latitudes.\n'}]}]