What is the grid of pkv racing with the driver oriol servià?
CREATE TABLE "race" (
  "driver" text,
  "team" text,
  "laps" real,
  "time_retired" text,
  "grid" real,
  "points" real
);
SELECT SUM("grid") FROM "race" WHERE "team"='pkv racing' AND "driver"='oriol servià';