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

Question: When laps are less than 80 and Bruce mclaren is the driver, what is the grid?
SQL: SELECT "grid" FROM "classification" WHERE "laps"<80 AND "driver"='bruce mclaren';

Question: What driver has a grid greater than 19?
SQL: SELECT "driver" FROM "classification" WHERE "grid">19;

Question: When the driver richard attwood has a constructor of brm, what is the number of laps?
SQL: SELECT "laps" FROM "classification" WHERE "constructor"='brm' AND "driver"='richard attwood';