what is the diameter (km) of the feature of latitude 23.0s
CREATE TABLE table_16799784_7 (diameter__km_ VARCHAR, latitude VARCHAR)
SELECT diameter__km_ FROM table_16799784_7 WHERE latitude = "23.0S"
### Context: CREATE TABLE table_16799784_7 (diameter__km_ VARCHAR, latitude VARCHAR) ### Question: what is the diameter (km) of the feature of latitude 23.0s ### Answer: SELECT diameter__km_ FROM table_16799784_7 WHERE latitude = "23.0S"