What is the length for a diameter totaling 450 mm?
CREATE TABLE table_22000 (
    "Name (year commissioned)" text,
    "Owner/operator" text,
    "Length" text,
    "Maximum diameter" text,
    "From/to" text,
    "Licence number" text
)
SELECT "Length" FROM table_22000 WHERE "Maximum diameter" = '450 mm'
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 is the length for a diameter totaling 450 mm? ### Input: CREATE TABLE table_22000 (
    "Name (year commissioned)" text,
    "Owner/operator" text,
    "Length" text,
    "Maximum diameter" text,
    "From/to" text,
    "Licence number" text
) ### Response: SELECT "Length" FROM table_22000 WHERE "Maximum diameter" = '450 mm'