Question: when does summer start in the southern hemisphere
[{'answer': 'December', 'provenance': [{'wikipedia_id': '24873453', 'title': 'Season', 'start_paragraph_id': 2, 'start_character': 182, 'end_paragraph_id': 2, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24873453', 'title': 'Season', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 522, 'bleu_score': 0.977397480575333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10212426660950114764}, 'section': 'Section::::Abstract.'}]}]