What is the Dance with the Highest score under 30 and Stacy Keibler as the Best dancer(s)?
CREATE TABLE "highest_and_lowest_scoring_performances" (
  "dance" text,
  "best_dancer_s" text,
  "highest_score" real,
  "worst_dancer_s" text,
  "lowest_score" real
);
SELECT "dance" FROM "highest_and_lowest_scoring_performances" WHERE "highest_score"<30 AND "best_dancer_s"='stacy keibler';