instruction: A stacked bar chart showing the number of engineers for different skill description The x-axis is skill description and group by other deteails, and rank by the X from high to low.
response: SELECT skill_description, COUNT(skill_description) FROM Maintenance_Engineers AS T1 JOIN Engineer_Skills AS T2 ON T1.engineer_id = T2.engineer_id JOIN Skills AS T3 ON T2.skill_id = T3.skill_id GROUP BY other_details, skill_description ORDER BY skill_description DESC