Which owner has the time 2:03.00 and the year of 1991 kd?
CREATE TABLE "kentucky_derby_winners" (
  "year" text,
  "winner" text,
  "jockey" text,
  "trainer" text,
  "owner" text,
  "time" text
);
SELECT "owner" FROM "kentucky_derby_winners" WHERE "time"='2:03.00' AND "year"='1991 kd';