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_22 (length VARCHAR, class VARCHAR, circuit VARCHAR)
### Question:
What was the length for GT class at Portland International Raceway?
### Answer:
SELECT length FROM table_name_22 WHERE class = "gt" AND circuit = "portland international raceway"