CREATE TABLE "heats" (
  "heat_rank" real,
  "lane" real,
  "swimmer" text,
  "country" text,
  "time" real,
  "overall_rank" real
);

Question: Tell me the average heat rank with a lane of 2 and time less than 27.66
SQL: SELECT AVG("heat_rank") FROM "heats" WHERE "lane"=2 AND "time"<27.66;

Question: Tell me the highest overall rank for lane less than 8 and time less than 27.16
SQL: SELECT MAX("overall_rank") FROM "heats" WHERE "lane"<8 AND "time"<27.16;

Question: Tell me the total number of time for luke hall overall rank being larger than 105
SQL: SELECT COUNT("time") FROM "heats" WHERE "swimmer"='luke hall' AND "overall_rank">105;