available subnets leading total is?
CREATE TABLE table_19704 (
    "Prefix size" text,
    "Network mask" text,
    "Available subnets" real,
    "Usable hosts per subnet" real,
    "Total usable hosts" real
)
SELECT MAX("Available subnets") FROM table_19704
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: available subnets leading total is? ### Input: CREATE TABLE table_19704 (
    "Prefix size" text,
    "Network mask" text,
    "Available subnets" real,
    "Usable hosts per subnet" real,
    "Total usable hosts" real
) ### Response: SELECT MAX("Available subnets") FROM table_19704