How many stations are transmitted on frequency 7 uhf?
CREATE TABLE table_1601792_4 (
    transmitted VARCHAR,
    frequency VARCHAR
)
SELECT COUNT(transmitted) FROM table_1601792_4 WHERE frequency = "7 UHF"
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 stations are transmitted on frequency 7 uhf? ### Input: CREATE TABLE table_1601792_4 (
    transmitted VARCHAR,
    frequency VARCHAR
) ### Response: SELECT COUNT(transmitted) FROM table_1601792_4 WHERE frequency = "7 UHF"