What is the name of the superfund that was proposed on 06/24/1988?
CREATE TABLE "superfund_sites" (
  "cerclis_id" text,
  "name" text,
  "borough_or_census_area" text,
  "proposed" text,
  "listed" text,
  "construction_completed" text,
  "partially_deleted" text,
  "deleted" text
);
SELECT "name" FROM "superfund_sites" WHERE "proposed"='06/24/1988';