-- Database schema
| repair : repair_ID [ INT ] primary_key , name [ TEXT ] , Launch_Date [ TEXT ] , Notes [ TEXT ] | machine : Machine_ID [ INT ] primary_key , Making_Year [ INT ] , Class [ TEXT ] , Team [ TEXT ] , Machine_series [ TEXT ] , value_points [ INT ] , quality_rank [ INT ] | technician : technician_id [ INT ] primary_key , Name [ TEXT ] , Team [ TEXT ] , Starting_Year [ INT ] , Age [ INT ] | repair_assignment : technician_id [ INT ] primary_key repair_assignment.technician_id = technician.technician_id , repair_ID [ INT ] repair_assignment.repair_ID = repair.repair_ID , Machine_ID [ INT ] repair_assignment.Machine_ID = machine.Machine_ID |
-- -- Show different teams of technicians and the number of technicians in each team.

SELECT Team ,  COUNT(*) FROM technician GROUP BY Team;