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_77 (release_date VARCHAR, frequency VARCHAR)
### Question:
What's the release date of the processor with 2.8 ghz of frequency?
### Answer:
SELECT release_date FROM table_name_77 WHERE frequency = "2.8 ghz"