What dance was Leeza Gibbons the worst dancer for, receiving a score lower than 15?
CREATE TABLE table_32264 (
    "Dance" text,
    "Best dancer" text,
    "Best score" real,
    "Worst dancer" text,
    "Worst score" real
)
SELECT MIN("Best score") FROM table_32264 WHERE "Worst dancer" = 'leeza gibbons' AND "Worst score" < '15'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What dance was Leeza Gibbons the worst dancer for, receiving a score lower than 15? ### Input: CREATE TABLE table_32264 (
    "Dance" text,
    "Best dancer" text,
    "Best score" real,
    "Worst dancer" text,
    "Worst score" real
) ### Response: SELECT MIN("Best score") FROM table_32264 WHERE "Worst dancer" = 'leeza gibbons' AND "Worst score" < '15'