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_1439045_5 (opengl VARCHAR, model VARCHAR)
### Question:
Which version of opengl is used by model sgx520?
### Answer:
SELECT opengl AS ES FROM table_1439045_5 WHERE model = "SGX520"