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

Question: What is the largest number of laps with a Grid larger than 14, a Time/Retired of + 2 laps, and a Driver of helmut marko?
SQL: SELECT MAX("laps") FROM "classification" WHERE "grid">14 AND "time_retired"='+ 2 laps' AND "driver"='helmut marko';

Question: Which grid has less than 11 laps, and a Time/Retired of accident?
SQL: SELECT AVG("grid") FROM "classification" WHERE "laps"<11 AND "time_retired"='accident';

Question: What is the total number of grids for peter gethin?
SQL: SELECT SUM("grid") FROM "classification" WHERE "driver"='peter gethin';

Question: How many grids does dave walker have?
SQL: SELECT COUNT("grid") FROM "classification" WHERE "driver"='dave walker';

Question: What is the lowest grid with matra as constructor?
SQL: SELECT MIN("grid") FROM "classification" WHERE "constructor"='matra';