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

### Instruction:
What is the cost of an Open Source that is no?

### Inputs:
table_name: table, columns: ['Editor', 'Site', 'Style, clone of', 'Cost ( US$ )', 'Open source', 'Activity']

### Response:
SELECT Cost ( US$ ) FROM table WHERE Open source = no