Show me all the employees in the same department as Clara. | Here is all the information of all the employees in the same department as the employee with a first name Clara. | Can you show me their hire dates?
SELECT hire_date FROM employees WHERE department_id   =    ( SELECT department_id FROM employees WHERE first_name   =   "Clara" ) 
employees in the same department as Clara refers to filtering employees based on Clara's department_id; hire dates of these employees refers to selecting hire_date;