Task: Text to Code
Input (English): Step 1: For each row in technician table, find the corresponding rows in repair_assignment table.
Step 2: find each value of repair_assignment's technician_id in the results of step 1 along with the number of the corresponding rows to each value
Output (English): SELECT T1.Name , Count ( * ) FROM technician AS T1 JOIN repair_assignment AS T2 ON T1.technician_id = T2.technician_id GROUP BY T2.technician_id