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

Question: Who was driving with a Grid of 13?
SQL: SELECT "driver" FROM "classification" WHERE "grid"=13;

Question: For Laps smaller than 6, what does the Grid add up to?
SQL: SELECT SUM("grid") FROM "classification" WHERE "laps"<6;