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

Question: Tell me the total number of Grid for Rubens Barrichello
SQL: SELECT COUNT("grid") FROM "race" WHERE "driver"='rubens barrichello';

Question: I want the lowest Grid for David Coulthard
SQL: SELECT MIN("grid") FROM "race" WHERE "driver"='david coulthard';