Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE employees (department_id VARCHAR); CREATE TABLE departments (department_id VARCHAR)
### Question:
display the department name and number of employees in each of the department.
### Answer:
SELECT department_name, COUNT(*) FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id GROUP BY department_name