what is the total number of countries on the chart ?
CREATE TABLE table_203_663 (
    id number,
    "country" text,
    "zone" text,
    "national federation" text,
    "#gm" number,
    "#fide" number,
    "national championship" text
)
SELECT COUNT("country") FROM table_203_663
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 total number of countries on the chart ? ### Input: CREATE TABLE table_203_663 (
    id number,
    "country" text,
    "zone" text,
    "national federation" text,
    "#gm" number,
    "#fide" number,
    "national championship" text
) ### Response: SELECT COUNT("country") FROM table_203_663