What is the rd., time of the match with a win result, a tko type, and Carlos Molina as the opponent?
CREATE TABLE "professional_boxing_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "type" text,
  "rd_time" text,
  "date" text
);
SELECT "rd_time" FROM "professional_boxing_record" WHERE "res"='win' AND "type"='tko' AND "opponent"='carlos molina';