How many entries for 1983-84 when 1984-85 is Terri Gilreath?
CREATE TABLE "season_end_rankings" (
  "rank" real,
  "1980_81" text,
  "1981_82" text,
  "1982_83" text,
  "1983_84" text,
  "1984_85" text
);
SELECT COUNT("1983_84") FROM "season_end_rankings" WHERE "1984_85"='Terri Gilreath';