Show names of technicians and the number of machines they are assigned to repair.
SELECT T2.Name ,  COUNT(*) FROM repair_assignment AS T1 JOIN technician AS T2 ON T1.technician_ID  =  T2.technician_ID GROUP BY T2.Name
SELECT T2.Name ,  COUNT(*) FROM repair_assignment AS T1 JOIN technician AS T2 ON T1.technician_ID  =  T2.technician_ID GROUP BY T2.Name
[{'Name': 'Charlie Hollocher', 'COUNT(*)': 1}, {'Name': 'Eddie Collins', 'COUNT(*)': 1}, {'Name': 'Joe Sewell', 'COUNT(*)': 5}, {'Name': 'John Brown', 'COUNT(*)': 1}, {'Name': 'Tony Sewell', 'COUNT(*)': 1}]