What's the frequency when the identifier is cbf-fm-9?
CREATE TABLE table_63184 (
    "City of license" text,
    "Identifier" text,
    "Frequency" text,
    "Power" text,
    "Class" text,
    "RECNet" text
)
SELECT "Frequency" FROM table_63184 WHERE "Identifier" = 'cbf-fm-9'
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 when the identifier is cbf-fm-9? ### Input: CREATE TABLE table_63184 (
    "City of license" text,
    "Identifier" text,
    "Frequency" text,
    "Power" text,
    "Class" text,
    "RECNet" text
) ### Response: SELECT "Frequency" FROM table_63184 WHERE "Identifier" = 'cbf-fm-9'