Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_53 (frequency VARCHAR, identifier VARCHAR)
### Question:
What Frequency has the Identifier of CBFX-FM-6?
### Answer:
SELECT frequency FROM table_name_53 WHERE identifier = "cbfx-fm-6"