What was the Premiership Years that had in the Competition of 1983-1992?
CREATE TABLE "previous_clubs" (
  "club" text,
  "nickname" text,
  "years_in_competition" text,
  "no_of_premierships" real,
  "premiership_years" text
);
SELECT "premiership_years" FROM "previous_clubs" WHERE "years_in_competition"='1983-1992';