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_98 (model_number VARCHAR, gpu_frequency VARCHAR)
### Question:
What is the model number for the GPU and 320 mhz?
### Answer:
SELECT model_number FROM table_name_98 WHERE gpu_frequency = "320 mhz"