CREATE TABLE "semifinal_2" (
  "rank" real,
  "lane" real,
  "name" text,
  "nationality" text,
  "time" real
);

Question: What is the average rank of an athlete that holds a time higher than 53.38?
SQL: SELECT AVG("rank") FROM "semifinal_2" WHERE "time">53.38;

Question: What lane did the swimmer with a time of 52.84 have?
SQL: SELECT MAX("lane") FROM "semifinal_2" WHERE "time"=52.84;

Question: What lane did the rank 3 swimmer use?
SQL: SELECT MAX("lane") FROM "semifinal_2" WHERE "rank"=3;