Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What type of engine does the model with model designation 97100 have?

### Inputs:
table_name: table, columns: ['Model Type', 'Model Designation', 'Engine', 'Wheelbase (mm/inch)', 'GVW (kg/ton)', 'Axle Ratio']

### Response:
SELECT Engine FROM table WHERE Model Designation = 97100