user: Question: Which Fuel Propulsion has Numbers (Quantity Ordered) of 7124-7156 (33 buses)?
Columns: ['Make/ Model', 'length', 'Year', 'Numbers (Quantity Ordered)', 'Fuel Propulsion']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['NABI 40-LFW', "40'", 1998.0, '6001-6156 (156 buses)', 'LNG']
SQL:

assistant: SELECT "Fuel Propulsion" FROM "Table" WHERE "Numbers (Quantity Ordered)" = '7124-7156 (33 buses)';