CREATE TABLE table_32264 ("Dance" CLOB, "Best dancer" CLOB, "Best score" FLOAT, "Worst dancer" CLOB, "Worst score" FLOAT)

What dance was Leeza Gibbons the worst dancer for, receiving a score lower than 15?
SELECT MIN("Best score") FROM table_32264 WHERE "Worst dancer" = 'leeza gibbons' AND "Worst score" < '15'
SELECT MIN("Best score") FROM "table_32264" WHERE "Worst dancer" = 'leeza gibbons' AND "Worst score" < '15'