What is the highest points when the top goal scorer was Khaled Msakni (10), and the final standing is less than 12?
CREATE TABLE "championship_of_tunisia" (
  "season" real,
  "years" text,
  "final_standing" real,
  "points" real,
  "top_goal_scorer" text
);
SELECT MAX("points") FROM "championship_of_tunisia" WHERE "top_goal_scorer"='khaled msakni (10)' AND "final_standing"<12;