Question: when does winter officially start in south africa
[{'answer': '1 June', 'provenance': [{'wikipedia_id': '34061', 'title': 'Winter', 'start_paragraph_id': 16, 'start_character': 395, 'end_paragraph_id': 16, 'end_character': 401, 'bleu_score': 1.0, 'section': 'Section::::Astronomical and other calendar-based reckoning.\n'}]}, {'provenance': [{'wikipedia_id': '34061', 'title': 'Winter', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 983, 'bleu_score': 0.776945822658836, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1660939444548594729}, 'section': 'Section::::Astronomical and other calendar-based reckoning.\n'}]}]