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

Question: Which country has Anselmo Da Silva in lane 2?
SQL: SELECT "country" FROM "semifinals" WHERE "lane"<2 AND "name"='anselmo da silva';

Question: What is the heat number at 7.63, and a reaction less than 0.229?
SQL: SELECT COUNT("heat") FROM "semifinals" WHERE "mark"='7.63' AND "react"<0.229;