What is the Transfer window, when the Transfer fee is 'free', and when the item 'Moving to' is Norwich City?
CREATE TABLE table_name_30 (
    transfer_window VARCHAR,
    transfer_fee VARCHAR,
    moving_to VARCHAR
)
SELECT transfer_window FROM table_name_30 WHERE transfer_fee = "free" AND moving_to = "norwich city"
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 Transfer window, when the Transfer fee is 'free', and when the item 'Moving to' is Norwich City? ### Input: CREATE TABLE table_name_30 (
    transfer_window VARCHAR,
    transfer_fee VARCHAR,
    moving_to VARCHAR
) ### Response: SELECT transfer_window FROM table_name_30 WHERE transfer_fee = "free" AND moving_to = "norwich city"