CREATE TABLE repair (repair_ID INT, name TEXT, Launch_Date TEXT, Notes TEXT)
CREATE TABLE repair_assignment (technician_id INT, repair_ID INT, Machine_ID INT)
CREATE TABLE technician (technician_id FLOAT, Name TEXT, Team TEXT, Starting_Year FLOAT, Age INT)
CREATE TABLE machine (Machine_ID INT, Making_Year INT, Class TEXT, Team TEXT, Machine_series TEXT, value_points FLOAT, quality_rank INT)

Show different teams of technicians and the number of technicians in each team, show by the total number in descending.
SELECT Team, COUNT(*) FROM technician GROUP BY Team ORDER BY COUNT(*) DESC
SELECT "Team", COUNT(*) FROM "technician" GROUP BY "Team" ORDER BY COUNT(*) DESC NULLS LAST