Question: when is the day as long as the night
[{'answer': 'equinox', 'provenance': [{'wikipedia_id': '10100', 'title': 'Equinox', 'start_paragraph_id': 1, 'start_character': 3, 'end_paragraph_id': 1, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]