CREATE TABLE "round_2" (
  "rank" real,
  "heat" real,
  "athlete" text,
  "country" text,
  "time" real
);

Question: who is the athlete when the time is less than 11.13 and the country is belgium?
SQL: SELECT "athlete" FROM "round_2" WHERE "time"<11.13 AND "country"='belgium';

Question: who is the athlete when the rank is less than 13, time more than 11.13, country is bahamas and the heat more than 2?
SQL: SELECT "athlete" FROM "round_2" WHERE "rank"<13 AND "time">11.13 AND "country"='bahamas' AND "heat">2;

Question: what is the heat when the athlete is anita pistone?
SQL: SELECT SUM("heat") FROM "round_2" WHERE "athlete"='anita pistone';

Question: how many times is the rank more than 29, the athlete is barbara pierre and the heat less than 5?
SQL: SELECT COUNT("time") FROM "round_2" WHERE "rank">29 AND "athlete"='barbara pierre' AND "heat"<5;