CREATE TABLE table_203_193 (id NUMBER, "ship name" CLOB, "in service" NUMBER, "project number" CLOB, "type" CLOB, "class" CLOB, "comments" CLOB)

which ship is the only container ship listed ?
SELECT "ship name" FROM table_203_193 WHERE "type" = 'container ship'
SELECT "ship name" FROM "table_203_193" WHERE "type" = 'container ship'