CREATE TABLE "semifinal_1" (
  "rank" real,
  "lane" real,
  "name" text,
  "nationality" text,
  "time" real
);

Question: With a time of 53.33, who ranked the highest?
SQL: SELECT MAX("rank") FROM "semifinal_1" WHERE "time"=53.33;

Question: What was Great Britain's total time?
SQL: SELECT COUNT("time") FROM "semifinal_1" WHERE "nationality"='great britain';

Question: Which lane ranked less than 4 for the Netherlands?
SQL: SELECT "lane" FROM "semifinal_1" WHERE "rank"<4 AND "nationality"='netherlands';