CREATE TABLE table_203_545 (id DECIMAL, "single/ep" TEXT, "release date" TEXT, "label" TEXT, "format ( s ) " TEXT, "uk singles chart position" DECIMAL, "notes" TEXT)

what single release came before junkies ?
SELECT "single/ep" FROM table_203_545 WHERE "release date" < (SELECT "release date" FROM table_203_545 WHERE "single/ep" = '"junkies"') ORDER BY "release date" DESC LIMIT 1
SELECT "single/ep" FROM "table_203_545" WHERE "release date" < (SELECT "release date" FROM "table_203_545" WHERE "single/ep" = '"junkies"') ORDER BY "release date" DESC NULLS LAST LIMIT 1