CREATE TABLE "classification" (
  "driver" text,
  "constructor" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);

Question: Which constructor was there for the race with 25 laps?
SQL: SELECT "constructor" FROM "classification" WHERE "laps"=25;

Question: Which driver had brm as a constructor and a time/retired of engine?
SQL: SELECT "driver" FROM "classification" WHERE "constructor"='brm' AND "time_retired"='engine';