Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE repair_assignment (technician_ID VARCHAR)
TABLE: CREATE TABLE technician (Name VARCHAR, technician_ID VARCHAR)

### Question ###
Show names of technicians and the number of machines they are assigned to repair.

### Accurate 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