CREATE TABLE table_14428 ("Estimate" CLOB, "Name" CLOB, "Nat." CLOB, "Ship Type" CLOB, "Principal victims" CLOB, "Where sunk" CLOB, "Date" CLOB)

What ship type was from SE?
SELECT "Ship Type" FROM table_14428 WHERE "Nat." = 'se'
SELECT "Ship Type" FROM "table_14428" WHERE "Nat." = 'se'