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

### Instruction:
Which operating system has a storage (flash) of 128MB?

### Inputs:
table_name: table, columns: ['Model', 'Memory ( RAM )', 'Storage ( flash )', 'Operating system version', 'Memory card', 'Weight, dimensions', 'Retail availability']

### Response:
SELECT Operating system version FROM table WHERE Storage ( flash ) = 128mb