Question: when did the letter j appear in the alphabet
[{'answer': '1524', 'provenance': [{'wikipedia_id': '5195436', 'title': 'J', 'start_paragraph_id': 3, 'start_character': 521, 'end_paragraph_id': 3, 'end_character': 525, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '5195436', 'title': 'J', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 887, 'bleu_score': 0.7769760725981361, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13811413349072948026}, 'section': 'Section::::History.\n'}]}]