Question: what is the length of varchar(max) in sql server
[{'answer': '2 gigabytes', 'provenance': [{'wikipedia_id': '2493067', 'title': 'Varchar', 'start_paragraph_id': 1, 'start_character': 543, 'end_paragraph_id': 1, 'end_character': 554, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2493067', 'title': 'Varchar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 554, 'bleu_score': 0.928036074738358, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12241517057929965528}, 'section': 'Section::::Abstract.'}]}]