CREATE TABLE "heats" (
  "heat" real,
  "lane" real,
  "name" text,
  "country" text,
  "mark" text
);

Question: What is the mark for the runner in lanes under 2 and heats under 5?
SQL: SELECT "mark" FROM "heats" WHERE "lane"<2 AND "heat"<5;

Question: Who is in heat 5 from Guyana?
SQL: SELECT "name" FROM "heats" WHERE "heat"=5 AND "country"='guyana';

Question: How many lanes was Khadevis Robinson in for heats over 2?
SQL: SELECT COUNT("lane") FROM "heats" WHERE "heat">2 AND "name"='khadevis robinson';