CREATE TABLE "grands_prix" (
  "rd" real,
  "grand_prix" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_driver" text,
  "constructor" text,
  "report" text
);

Question: What was the constructor in the Belgian Grand Prix round?
SQL: SELECT "constructor" FROM "grands_prix" WHERE "grand_prix"='Belgian Grand Prix';

Question: Who had the fastest lap in round 15?
SQL: SELECT "fastest_lap" FROM "grands_prix" WHERE "rd"=15;