What 2nd run has a less than 6 rank, and 3 as the total?
CREATE TABLE "heat_1" (
  "rank" real,
  "name" text,
  "1st_run" text,
  "2nd_run" text,
  "3rd_run" text,
  "total" real
);
SELECT "2nd_run" FROM "heat_1" WHERE "rank"<6 AND "total"=3;