Show the starting years shared by technicians from team "CLE" and "CWS".
SELECT Starting_Year FROM technician WHERE Team  =  "CLE" INTERSECT SELECT Starting_Year FROM technician WHERE Team  =  "CWS"
SELECT Starting_Year FROM technician WHERE Team  =  "CLE" INTERSECT SELECT Starting_Year FROM technician WHERE Team  =  "CWS"
[{'Starting_Year': 2005.0}]