CREATE TABLE table_203_547 (id NUMBER, "ship" CLOB, "built" NUMBER, "in service for cunard" CLOB, "type" CLOB, "tonnage" CLOB, "notes" CLOB)

the ship with the most tonnage is named after whom ?
SELECT "ship" FROM table_203_547 ORDER BY "tonnage" DESC LIMIT 1
SELECT "ship" FROM "table_203_547" ORDER BY "tonnage" DESC FETCH FIRST 1 ROWS ONLY