What's the average pole position for the driver that has a percentage of 44.81%?
CREATE TABLE "percentage_starts_from_front_row" (
  "driver" text,
  "front_row_starts" real,
  "pole_positions" real,
  "entries" real,
  "percentage" text
);
SELECT AVG("pole_positions") FROM "percentage_starts_from_front_row" WHERE "percentage"='44.81%';