Who was ranked in the same position in 1990-1991 as Drew Kachtik in 1993-1994? 
CREATE TABLE "rankings_at_season_s_end" (
  "position" real,
  "1990_1991" text,
  "1991_1992" text,
  "1992_1993" text,
  "1993_1994" text,
  "1994_1995" text
);
SELECT "1990_1991" FROM "rankings_at_season_s_end" WHERE "1993_1994"='Drew Kachtik';