How many extra points are there that Herrnstein had with less than 2 touchdowns and less than 0 field goals?
CREATE TABLE "rose_bowl_michigan_49_stanford_0" (
  "player" text,
  "touchdowns" real,
  "extra_points" real,
  "field_goals" real,
  "points" real
);
SELECT AVG("extra_points") FROM "rose_bowl_michigan_49_stanford_0" WHERE "touchdowns"<2 AND "player"='herrnstein' AND "field_goals"<0;