CREATE TABLE table_21076 ("Name" CLOB, "Latitude" CLOB, "Longitude" CLOB, "Diameter  ( km ) " CLOB, "Year named" FLOAT, "Name origin" CLOB)

At what latitude can you find the diameter (km) of 500.0?
SELECT "Latitude" FROM table_21076 WHERE "Diameter (km)" = '500.0'
SELECT "Latitude" FROM "table_21076" WHERE "Diameter (km)" = '500.0'