Question: when was arabic written for the first time
[{'answer': 'in the 7th century', 'provenance': [{'wikipedia_id': '1971339', 'title': 'History of the Arabic alphabet', 'start_paragraph_id': 38, 'start_character': 60, 'end_paragraph_id': 38, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Early Islamic changes.\n'}]}, {'provenance': [{'wikipedia_id': '1971339', 'title': 'History of the Arabic alphabet', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 139, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2316480095772936844}, 'section': 'Section::::Early Islamic changes.\n'}]}]