query: SELECT T2.department_name ,  COUNT(*) FROM employees AS T1 JOIN departments AS T2 ON T1.department_id  =  T2.department_id GROUP BY T2.department_name
question: display the department name and number of employees in each of the department.
query_toks: SELECT T2.department_name , COUNT ( * ) FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id GROUP BY T2.department_name
query_toks_no_value: select t2 . department_name , count ( * ) from employees as t1 join departments as t2 on t1 . department_id = t2 . department_id group by t2 . department_name
question_toks: display the department name and number of employees in each of the department.