CREATE TABLE table_name_86 (opponent VARCHAR2, bsu_head_coach VARCHAR2, year VARCHAR2)

Who was the opponent before 1994 with bobby dye as the BSU head coach?
SELECT opponent FROM table_name_86 WHERE bsu_head_coach = "bobby dye" AND year < 1994
SELECT "opponent" FROM "table_name_86" WHERE "bobby dye" = "bsu_head_coach" AND "year" < 1994