If the equation is 6 9 + 6 9 + 6, what is the 3rd throw?
CREATE TABLE table_21440 (
    "1st throw" real,
    "2nd throw" real,
    "3rd throw" real,
    "Equation" text,
    "Result" real
)
SELECT MAX("3rd throw") FROM table_21440 WHERE "Equation" = '6 × 9² + 6 × 9 + 6'
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: If the equation is 6 9 + 6 9 + 6, what is the 3rd throw? ### Input: CREATE TABLE table_21440 (
    "1st throw" real,
    "2nd throw" real,
    "3rd throw" real,
    "Equation" text,
    "Result" real
) ### Response: SELECT MAX("3rd throw") FROM table_21440 WHERE "Equation" = '6 × 9² + 6 × 9 + 6'