Table schema:
CREATE TABLE machine (Machine_series VARCHAR, machine_id VARCHAR); CREATE TABLE repair_assignment (machine_id VARCHAR, technician_ID VARCHAR); CREATE TABLE technician (Name VARCHAR, technician_ID VARCHAR)

Question: Show names of technicians and series of machines they are assigned to repair.
SQL: SELECT T3.Name, T2.Machine_series FROM repair_assignment AS T1 JOIN machine AS T2 ON T1.machine_id = T2.machine_id JOIN technician AS T3 ON T1.technician_ID = T3.technician_ID