Which Time has a Reaction smaller than 0.20400000000000001, and a Rank of 1?
CREATE TABLE "semifinal_3" (
  "rank" real,
  "lane" real,
  "athlete" text,
  "nationality" text,
  "time" real,
  "react" real
);
SELECT SUM("time") FROM "semifinal_3" WHERE "react"<0.20400000000000001 AND "rank"=1;