What is the name of department where has the smallest number of professors?
CREATE TABLE professor (
    dept_code VARCHAR
)

CREATE TABLE department (
    dept_name VARCHAR,
    dept_code VARCHAR
)
SELECT T2.dept_name FROM professor AS T1 JOIN department AS T2 ON T1.dept_code = T2.dept_code GROUP BY T1.dept_code ORDER BY COUNT(*) 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 name of department where has the smallest number of professors? ### Input: CREATE TABLE professor (
    dept_code VARCHAR
)

CREATE TABLE department (
    dept_name VARCHAR,
    dept_code VARCHAR
) ### Response: SELECT T2.dept_name FROM professor AS T1 JOIN department AS T2 ON T1.dept_code = T2.dept_code GROUP BY T1.dept_code ORDER BY COUNT(*) LIMIT 1