Question: when was the first part of the quran first revealed
[{'answer': '22 December 609 CE', 'provenance': [{'wikipedia_id': '36922', 'title': 'Quran', 'start_paragraph_id': 2, 'start_character': 191, 'end_paragraph_id': 2, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36922', 'title': 'Quran', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 604, 'bleu_score': 0.63764601386106, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4536228861774053452}, 'section': 'Section::::Abstract.'}]}]