what is the diameter (km) of feature of latitude 40.5s
CREATE TABLE table_16799784_7 (diameter__km_ VARCHAR, latitude VARCHAR)
SELECT diameter__km_ FROM table_16799784_7 WHERE latitude = "40.5S"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_16799784_7 (diameter__km_ VARCHAR, latitude VARCHAR) Question: what is the diameter (km) of feature of latitude 40.5s [/INST] SELECT diameter__km_ FROM table_16799784_7 WHERE latitude = "40.5S" </s>