CREATE TABLE "highest_and_lowest_scoring_performances" (
  "dance" text,
  "best_dancer_s" text,
  "best_score" real,
  "worst_dancer_s" text,
  "worst_score" real
);

Question: What's the worst score for the worst dancer(s) john barnes, with a best score of 36?
SQL: SELECT "worst_score" FROM "highest_and_lowest_scoring_performances" WHERE "best_score"=36 AND "worst_dancer_s"='john barnes';

Question: What's the worst dance of jive dancer(s)?
SQL: SELECT "worst_dancer_s" FROM "highest_and_lowest_scoring_performances" WHERE "dance"='jive';

Question: What's the best score, with the worst dancer(s) gethin jones/kenny logan?
SQL: SELECT "best_score" FROM "highest_and_lowest_scoring_performances" WHERE "worst_dancer_s"='gethin jones/kenny logan';

Question: What's the best average score with a bad score of 15?
SQL: SELECT AVG("best_score") FROM "highest_and_lowest_scoring_performances" WHERE "worst_score"=15;