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_28 (frequency VARCHAR, multi_1 VARCHAR)
### Question:
What's the frequency of the device that has a Multi 1 of 7.5×?
### Answer:
SELECT frequency FROM table_name_28 WHERE multi_1 = "7.5×"