CREATE TABLE "semifinals" (
  "rank" real,
  "heat" real,
  "cyclist" text,
  "nation" text,
  "result" text
);

Question: What is the total heat ranked higher than 7?
SQL: SELECT SUM("heat") FROM "semifinals" WHERE "rank">7;

Question: Which cyclist is from Australia?
SQL: SELECT "cyclist" FROM "semifinals" WHERE "nation"='australia';

Question: Which nation has a heat of 4, and is ranked 8?
SQL: SELECT "nation" FROM "semifinals" WHERE "heat"=4 AND "rank"=8;