user: Question: Which chassis manufacturer is for fleet numbers range 2530-2558
Columns: ['Chassis Manufacturer', 'Chassis Model', 'Body Model', 'Number in Fleet', 'Fleet Numbers']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['MAN', '11.190 HOCL-NL', 'PMCA 160', 20.0, '2101-2120']
SQL:

assistant: SELECT "Chassis Manufacturer" FROM "Table" WHERE "Fleet Numbers" = '2530-2558';