Database: college_1_minus_1_1
Question: What is the name of the department with the most students enrolled?
SQL: select t3.dept_name from class_enroll as t1 join course as t2 on t1.crs_code = t2.crs_code join department as t3 on t2.dept_code = t3.dept_code group by t2.dept_code order by count ( * ) desc limit 1