Name the extension for university of washington
CREATE TABLE table_22771048_3 (
    extension VARCHAR,
    city_neighborhood VARCHAR
)
SELECT extension FROM table_22771048_3 WHERE city_neighborhood = "University of Washington"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Name the extension for university of washington ### Input: CREATE TABLE table_22771048_3 (
    extension VARCHAR,
    city_neighborhood VARCHAR
) ### Response: SELECT extension FROM table_22771048_3 WHERE city_neighborhood = "University of Washington"