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

Question: Which name has a lane less than 8, russia as the country, with a mark of 8.07?
SQL: SELECT "name" FROM "semifinals" WHERE "lane"<8 AND "country"='russia' AND "mark"='8.07';

Question: How many lanes have 2 as the heat, and susanna kallur as the name?
SQL: SELECT SUM("lane") FROM "semifinals" WHERE "heat"=2 AND "name"='susanna kallur';

Question: What name has 8.19 as the mark, with 3 as the lane?
SQL: SELECT "name" FROM "semifinals" WHERE "mark"='8.19' AND "lane"=3;