CREATE TABLE table_43255 ("Season" TEXT, "Staffel A" TEXT, "Staffel B" TEXT, "Staffel C" TEXT, "Staffel D" TEXT, "Staffel E" TEXT)

What is the Staffel D in the season 1983-84 with a Staffel E of Motor Suhl?
SELECT "Staffel D" FROM table_43255 WHERE "Staffel E" = 'motor suhl' AND "Season" = '1983-84'
SELECT "Staffel D" FROM "table_43255" WHERE "Season" = '1983-84' AND "Staffel E" = 'motor suhl'