Who was the opponent before 1994 with bobby dye as the BSU head coach?
CREATE TABLE "ncaa_division_i_tournament_results" (
  "year" real,
  "round" text,
  "opponent" text,
  "result" text,
  "bsu_head_coach" text
);
SELECT "opponent" FROM "ncaa_division_i_tournament_results" WHERE "bsu_head_coach"='bobby dye' AND "year"<1994;