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

what was the previous ship to sibir ?
SELECT "ship name" FROM table_203_193 WHERE id = (SELECT id FROM table_203_193 WHERE "ship name" = 'sibir') - 1
SELECT "ship name" FROM "table_203_193" WHERE "id" = (SELECT "id" FROM "table_203_193" WHERE "ship name" = 'sibir') - 1