user: Question: Which Width has a Number of vehicles larger than 15, and a Type designation of K5000?
Columns: ['City', 'Operator', 'Type designation', 'Number of vehicles', 'Width']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Bonn , Germany', 'SWB', 'K5000', 15.0, '2.65 m']
SQL:

assistant: SELECT "Width" FROM "Table" WHERE "Number of vehicles" > 15.0 AND "Type designation" = 'K5000';