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