What is the total number of points for the KV Racing Technology team when they use a chevrolet engine?
CREATE TABLE "indy_car_series" (
  "year" real,
  "team" text,
  "chassis" text,
  "engine" text,
  "rank" text,
  "points" real
);
SELECT COUNT("points") FROM "indy_car_series" WHERE "engine"='chevrolet' AND "team"='kv racing technology';