CREATE TABLE table_77198 ("Name" TEXT, "Latitude" TEXT, "Longitude" TEXT, "Diameter  ( km ) " FLOAT, "Year named" FLOAT)

What is Year Named, when Longitude is 227.5E?
SELECT "Year named" FROM table_77198 WHERE "Longitude" = '227.5e'
SELECT "Year named" FROM "table_77198" WHERE "Longitude" = '227.5e'