CREATE TABLE repair_assignment (technician_ID VARCHAR(255)); CREATE TABLE technician (Name VARCHAR(255), technician_ID VARCHAR(255))
Show names of technicians and the number of machines they are assigned to repair.
    
SQL: SELECT T2.Name, COUNT(*) FROM repair_assignment AS T1 JOIN technician AS T2 ON T1.technician_ID = T2.technician_ID GROUP BY T2.Name