What is Oriol Servia's average Grid on races with more than 43 laps?
CREATE TABLE "race" (
  "driver" text,
  "team" text,
  "laps" real,
  "time_retired" text,
  "grid" real,
  "points" real
);
SELECT AVG("grid") FROM "race" WHERE "laps">43 AND "driver"='oriol servia';