user: Question: what is smallest number in fleet for chassis manufacturer Scania and fleet numbers is 3230?
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 MIN("Number in Fleet") FROM "Table" WHERE "Chassis Manufacturer" = 'Scania' AND "Fleet Numbers" = '3230';