instruction: Show names of technicians who are assigned to repair machines with value point more than 70, and count them by a bar chart, and I want to display from high to low by the X.
response: SELECT Name, COUNT(Name) 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 WHERE T2.value_points > 70 GROUP BY Name ORDER BY Name DESC