[{"column_names": [[-1, "*"], [0, "customer id"], [0, "name"], [1, "customer id"], [1, "balance"], [2, "customer id"], [2, "balance"]], "column_names_original": [[-1, "*"], [0, "custid"], [0, "name"], [1, "custid"], [1, "balance"], [2, "custid"], [2, "balance"]], "column_types": ["text", "number", "text", "number", "number", "number", "number"], "db_id": "small_bank_1", "foreign_keys": [[3, 1], [5, 1]], "primary_keys": [1, 3, 5], "table_names": ["accounts", "savings", "checking"], "table_names_original": ["accounts", "savings", "checking"]}]