Help me in solving GSQ12 problem

My issue

My code

/* Write a query which does the following
- Delete all rows in the employee table whose Department is 'Hr'.
- Output all the entires of the table. */
DELETE FROM employee 
WHERE department = 'HR';

select * from employee;

Learning course: Learn SQL
Problem Link: CodeChef: Practical coding for everyone
DELETE FROM employee
WHERE department = ‘HR’;

select * from employee;

Iam not getting correct output