What is the total react number with a time less than 20.05 and a lane less than 6?
CREATE TABLE "semifinal_1" (
  "rank" real,
  "lane" real,
  "name" text,
  "nationality" text,
  "react" real,
  "time" real
);
SELECT COUNT("react") FROM "semifinal_1" WHERE "time"<20.05 AND "lane"<6;