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

Question: What is the lowest grid that has over 67 laps with stefan bellof driving?
SQL: SELECT MIN("grid") FROM "classification" WHERE "laps">67 AND "driver"='stefan bellof';

Question: How many laps have a grid under 14 and a time/retired of out of fuel?
SQL: SELECT SUM("laps") FROM "classification" WHERE "grid"<14 AND "time_retired"='out of fuel';

Question: Who drove the renault that went over 23 laps and had a grid under 11?
SQL: SELECT "driver" FROM "classification" WHERE "grid"<11 AND "constructor"='renault' AND "laps">23;