Which driver had points over 252 in the season of 2012 with a percentage of possible points at 55.60%?
CREATE TABLE "most_championship_points_in_a_season" (
  "driver" text,
  "points" real,
  "season" text,
  "races" real,
  "percentage_of_possible_points" text
);
SELECT "driver" FROM "most_championship_points_in_a_season" WHERE "points">252 AND "season"='2012' AND "percentage_of_possible_points"='55.60%';