Question: when did the letter j become apart of the alphabet
[{'answer': 'and', 'provenance': [{'wikipedia_id': '5195436', 'title': 'J', 'start_paragraph_id': 1, 'start_character': 53, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5195436', 'title': 'J', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 1104, 'bleu_score': 0.7013617886261381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5896887808720851358}, 'section': 'Section::::Use in writing systems.:English.\n'}]}]