user: Question: What is the engine type with a model with Base 2.4?
Columns: ['model', 'max. motive power', 'max. torque at rpm', 'engine displacement', 'engine type', 'engine configuration & notes 0-100km/h']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2.0', 'PS ( kW ; hp )', 'N·m ( lbf·ft ) @ 4,800', 'cc ( cuin )', 'B5202 FS', 'straight-5 [ 12.3 s]']
SQL:

assistant: SELECT "engine type" FROM "Table" WHERE "model" = 'Base 2.4';