
1 - Join the tables.
2 - Aggregate the data by Sales Team.
3 - Add the following filter to the Employees table: Sale Team - Team Alpha.
Reference:
[Tableau Certified Data Analyst Exam Prep Guide], page 9, section "Preparing Data"
[Tableau Help: Join Your Data]
[Tableau Help: Aggregate Your Data]
[Tableau Help: Filter Your Data]