What is the nationality of the journalist with the largest number of years working?
CREATE TABLE journalist (
    Nationality VARCHAR,
    Years_working VARCHAR
)
SELECT Nationality FROM journalist ORDER BY Years_working DESC LIMIT 1
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: What is the nationality of the journalist with the largest number of years working? ### Input: CREATE TABLE journalist (
    Nationality VARCHAR,
    Years_working VARCHAR
) ### Response: SELECT Nationality FROM journalist ORDER BY Years_working DESC LIMIT 1