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
What is the name of the department with the fewest professors?
[Schema (values) (types)]: | college_1 |  CLASS : class_code (text) , crs_code (text) , class_section (text) , class_time (text) , class_room (text) , prof_num (text) | COURSE : crs_code (text) , dept_code (text) , crs_description (text) , crs_credit (text) | DEPARTMENT : dept_code (text) , dept_name (text) , school_code (text) , emp_num (text) , dept_address (text) , dept_extension (text) | EMPLOYEE : emp_num (text) , emp_lname (text) , emp_fname (text) , emp_initial (text) , emp_jobcode (text) , emp_hiredate (text) , emp_dob (number) | ENROLL : class_code (text) , stu_num (text) , enroll_grade (text) | PROFESSOR : emp_num (text) , dept_code (text) , prof_office (text) , prof_extension (text) , prof_high_degree (text) | STUDENT : stu_num (text) , stu_lname (text) , stu_fname (text) , stu_init (text) , stu_dob (text) , stu_hrs (text) , stu_class (number) , stu_gpa (text) , stu_transfer (text) , dept_code (text) , stu_phone (number) , prof_num (text);