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_19131921_1 (frequency VARCHAR, station VARCHAR)
### Question:
Which frequency is station wlfv-fm?
### Answer:
SELECT frequency FROM table_19131921_1 WHERE station = "WLFV-FM"