What's the frequency of the call sign DYFR with 10KW of power?
CREATE TABLE table_name_50 (
    frequency VARCHAR,
    power__kw_ VARCHAR,
    call_sign VARCHAR
)
SELECT frequency FROM table_name_50 WHERE power__kw_ = "10kw" AND call_sign = "dyfr"
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's the frequency of the call sign DYFR with 10KW of power? ### Input: CREATE TABLE table_name_50 (
    frequency VARCHAR,
    power__kw_ VARCHAR,
    call_sign VARCHAR
) ### Response: SELECT frequency FROM table_name_50 WHERE power__kw_ = "10kw" AND call_sign = "dyfr"