CREATE TABLE table_35341 ("Designation" CLOB, "Bore" CLOB, "Weight" CLOB, "Service Charge" CLOB, "Range  ( yards ) " CLOB, "Number Made" FLOAT)

What is the service charge of the boat howitzers with 456 made?
SELECT "Service Charge" FROM table_35341 WHERE "Number Made" = '456'
SELECT "Service Charge" FROM "table_35341" WHERE "Number Made" = '456'