What is the lowest grid of pkv racing, which had 13 points and less than 64 laps?
CREATE TABLE "race" (
  "driver" text,
  "team" text,
  "laps" real,
  "time_retired" text,
  "grid" real,
  "points" real
);
SELECT MIN("grid") FROM "race" WHERE "team"='pkv racing' AND "points"=13 AND "laps"<64;