how many television channels in nambor , queensland are in hd ?
CREATE TABLE table_203_51 (
    id number,
    "channel" text,
    "definition" text,
    "organisation" text,
    "ownership" text,
    "notes" text
)
SELECT COUNT("channel") FROM table_203_51 WHERE "definition" = 'hd'
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: how many television channels in nambor , queensland are in hd ? ### Input: CREATE TABLE table_203_51 (
    id number,
    "channel" text,
    "definition" text,
    "organisation" text,
    "ownership" text,
    "notes" text
) ### Response: SELECT COUNT("channel") FROM table_203_51 WHERE "definition" = 'hd'