What is the maximum diameter of the Mid West Gas Pipeline (1999)?
CREATE TABLE table_name_57 (maximum_diameter VARCHAR, name__year_commissioned_ VARCHAR)
SELECT maximum_diameter FROM table_name_57 WHERE name__year_commissioned_ = "mid west gas pipeline (1999)"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_57 (maximum_diameter VARCHAR, name__year_commissioned_ VARCHAR) Question: What is the maximum diameter of the Mid West Gas Pipeline (1999)? [/INST] SELECT maximum_diameter FROM table_name_57 WHERE name__year_commissioned_ = "mid west gas pipeline (1999)" </s>