When using a .375 Remington Ultra Magnum, what is the muzzle velocity?
CREATE TABLE table_20466 (
    "Cartridge" text,
    "Bullet weight" text,
    "Muzzle velocity" text,
    "Muzzle energy" text,
    "Source" text
)
SELECT "Muzzle velocity" FROM table_20466 WHERE "Cartridge" = '.375 Remington Ultra Magnum'
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: When using a .375 Remington Ultra Magnum, what is the muzzle velocity? ### Input: CREATE TABLE table_20466 (
    "Cartridge" text,
    "Bullet weight" text,
    "Muzzle velocity" text,
    "Muzzle energy" text,
    "Source" text
) ### Response: SELECT "Muzzle velocity" FROM table_20466 WHERE "Cartridge" = '.375 Remington Ultra Magnum'