Question: on what date does the arctic circle experience the midnight sun
[{'answer': 'approximately 21 June', 'provenance': [{'wikipedia_id': '300659', 'title': 'Midnight sun', 'start_paragraph_id': 3, 'start_character': 28, 'end_paragraph_id': 3, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Details.\n'}]}, {'provenance': [{'wikipedia_id': '300659', 'title': 'Midnight sun', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 574, 'bleu_score': 0.9536330554540541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7971531123435977270}, 'section': 'Section::::Details.\n'}]}]