Execute the following SQL queries, Make sure you execute them in this order!

5. Find the name of the managers and the average salary of the employees they manage.

6. Find all managers that manage employees with at least 3 letters 'a' or 'e' in their name (both uppercase and lowercase). For instance having 2 'a' and 1 'e' in the name, will satisfy the selection criteria.

Table 1: Employee Employee name William Gates II1 Warren Buffett Lakshmi Mittal Carlos Slim Helu Street University St Alaskan Way 1st Ave 1st Ave City Redmond Omaha London London