CREATE TABLE "heat_6" (
  "rank" real,
  "lane" real,
  "athlete" text,
  "nationality" text,
  "time" real,
  "react" real
);

Question: Which Athlete has a Reaction of 0.248?
SQL: SELECT "athlete" FROM "heat_6" WHERE "react"=0.248;

Question: Which Rank has a Reaction of 0.198, and a Time smaller than 46.3?
SQL: SELECT MAX("rank") FROM "heat_6" WHERE "react"=0.198 AND "time"<46.3;

Question: Which Lane has a Time larger than 47.83?
SQL: SELECT AVG("lane") FROM "heat_6" WHERE "time">47.83;

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