Manager With At Least Five Reports

Return the names of managers who have at least five direct reports.

Table schema

Employees(id INT PRIMARY KEY, name VARCHAR(50), manager_id INT NULL)

Sample data

id | name | manager_id
101 | John | NULL
102 | Dan | 101
103 | James | 101
104 | Amy | 101
105 | Anne | 101
106 | Ron | 101