What was the average Points of the season driver Fernando Alonso had a percentage of possible points of 53.05%?
CREATE TABLE "most_championship_points_in_a_season" (
  "driver" text,
  "points" real,
  "season" text,
  "races" real,
  "percentage_of_possible_points" text
);
SELECT AVG("points") FROM "most_championship_points_in_a_season" WHERE "driver"='fernando alonso' AND "percentage_of_possible_points"='53.05%';