CREATE TABLE table_21091 ("Name" CLOB, "Latitude" CLOB, "Longitude" CLOB, "Diameter  ( km ) " CLOB, "Year named" FLOAT, "Name origin" CLOB)

Name the total number of year named for athena , greek goddess of wisdom .
SELECT COUNT("Year named") FROM table_21091 WHERE "Name origin" = 'Athena , Greek goddess of wisdom .'
SELECT COUNT("Year named") FROM "table_21091" WHERE "Name origin" = 'Athena , Greek goddess of wisdom .'