For which network was Chris Walby the color commentator after 1990?
CREATE TABLE table_name_83 (
    network VARCHAR,
    year VARCHAR,
    colour_commentator_s_ VARCHAR
)
SELECT network FROM table_name_83 WHERE year > 1990 AND colour_commentator_s_ = "chris walby"
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: For which network was Chris Walby the color commentator after 1990? ### Input: CREATE TABLE table_name_83 (
    network VARCHAR,
    year VARCHAR,
    colour_commentator_s_ VARCHAR
) ### Response: SELECT network FROM table_name_83 WHERE year > 1990 AND colour_commentator_s_ = "chris walby"