$7.[$SQL Week $5$ Question $500-007]$ Do the same as Problem $6$ above, except in addition to the sum of the ticket durations, also include an additional column to give us the number of completed tickets as well. Now sort your database so the largest number of completed tickets is on the top.

Here's a sample of the output for Mr$.$ Duck and Mr$.$ Mouse.

Employee Name Duration of completed tickets Total number of completed tickets

Donald Duck $753$

Mickey Mouse $152$