Question: What is the dance that has Priscilla Presley is the worst dancer(s), and the worst score of 21?
SQL: SELECT "Dance" FROM "2-15116785-4" WHERE "Worst dancer(s)" = 'Priscilla Presley' AND "Worst score" = '21';

Question: What is the best score of the dance Freestyle?
SQL: SELECT "Best score" FROM "2-15116785-4" WHERE "Dance" = 'Freestyle';

Question: Which dance has the worst dancer(s) as Marissa Jaret Winokur?
SQL: SELECT "Dance" FROM "2-15116785-4" WHERE "Worst dancer(s)" = 'Marissa Jaret Winokur';