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_18 (gpu_frequency VARCHAR, model_number VARCHAR)
### Question:
What is GPU Frequency, when Model Number is Atom N435?
### Answer:
SELECT gpu_frequency FROM table_name_18 WHERE model_number = "atom n435"