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

### Instruction:
What is the Transfer window, when the Transfer fee is "free", and when the Name is Dugdale?

### Inputs:
table_name: table, columns: ['Name', 'Country', 'Status', 'Moving to', 'Transfer window', 'Transfer fee']

### Response:
SELECT Transfer window FROM table WHERE Transfer fee = free AND Name = dugdale