Which Reaction has a Rank smaller than 4, and a Nationality of trinidad and tobago, and a Time larger than 45.13?
CREATE TABLE "heat_6" (
  "rank" real,
  "lane" real,
  "athlete" text,
  "nationality" text,
  "time" real,
  "react" real
);
SELECT AVG("react") FROM "heat_6" WHERE "rank"<4 AND "nationality"='trinidad and tobago' AND "time">45.13;