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_22771048_3 (extension VARCHAR, city_neighborhood VARCHAR)
### Question:
Name the extension for university of washington
### Answer:
SELECT extension FROM table_22771048_3 WHERE city_neighborhood = "University of Washington"