CREATE TABLE table_203_123 (id DECIMAL, "year" DECIMAL, "title" TEXT, "b-side" TEXT, "mediums" TEXT, "label  ( catalog ) " TEXT)

what was the last single released ?
SELECT "title" FROM table_203_123 ORDER BY id DESC LIMIT 1
SELECT "title" FROM "table_203_123" ORDER BY "id" DESC NULLS LAST LIMIT 1