What was Berlin when fk pirmasens was Südwest and westfalia herne was west?
CREATE TABLE "champions_of_pre_bundesliga_oberligen" (
  "year" real,
  "nord" text,
  "west" text,
  "s_dwest" text,
  "berlin" text
);
SELECT "berlin" FROM "champions_of_pre_bundesliga_oberligen" WHERE "s_dwest"='fk pirmasens' AND "west"='westfalia herne';