CREATE TABLE "heats" (
  "heat" real,
  "lane" real,
  "name" text,
  "nationality" text,
  "time" text
);

Question: What is the heat number of the athlete who finished in 2:23.95?
SQL: SELECT AVG("heat") FROM "heats" WHERE "time"='2:23.95';

Question: Which lane did the athlete from Zambia swim in?
SQL: SELECT "lane" FROM "heats" WHERE "nationality"='zambia';