The proposed 03/08/2004 site is in what municipality?
CREATE TABLE "superfund_sites" (
  "cerclis_id" text,
  "name" text,
  "municipality" text,
  "proposed" text,
  "listed" text,
  "construction_completed" text,
  "partially_deleted" text,
  "deleted" text
);
SELECT "municipality" FROM "superfund_sites" WHERE "proposed"='03/08/2004';