What is the best score of the dance freestyle?
CREATE TABLE "highest_and_lowest_scoring_performances" (
  "dance" text,
  "best_dancer_s" text,
  "best_score" text,
  "worst_dancer_s" text,
  "worst_score" text
);
SELECT "best_score" FROM "highest_and_lowest_scoring_performances" WHERE "dance"='freestyle';