What construction has a Listed 09/08/1983, and a Deleted of –, and a Name of mid-south wood products?
CREATE TABLE "superfund_sites" (
  "cerclis_id" text,
  "name" text,
  "county" text,
  "proposed" text,
  "listed" text,
  "construction_completed" text,
  "partially_deleted" text,
  "deleted" text
);
SELECT "construction_completed" FROM "superfund_sites" WHERE "listed"='09/08/1983' AND "deleted"='–' AND "name"='mid-south wood products';