Which Frequency MHz has a Call Sign of K218BE?
CREATE TABLE table_name_7 (
    frequency_mhz VARCHAR,
    call_sign VARCHAR
)
SELECT frequency_mhz FROM table_name_7 WHERE call_sign = "k218be"
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: Which Frequency MHz has a Call Sign of K218BE? ### Input: CREATE TABLE table_name_7 (
    frequency_mhz VARCHAR,
    call_sign VARCHAR
) ### Response: SELECT frequency_mhz FROM table_name_7 WHERE call_sign = "k218be"