Question: what version of sql server does azure use
[{'answer': '2016 codebase', 'provenance': [{'wikipedia_id': '16161992', 'title': 'Microsoft Azure SQL Database', 'start_paragraph_id': 20, 'start_character': 41, 'end_paragraph_id': 20, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Design.\n'}]}, {'provenance': [{'wikipedia_id': '16161992', 'title': 'Microsoft Azure SQL Database', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 247, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16095123244952437358}, 'section': 'Section::::Design.\n'}]}]