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

### Instruction:
What is the date for the MF position and player Jennison Myrie-Williams?

### Inputs:
table_name: table, columns: ['Date From', 'Date To', 'Position', 'Name', 'From']

### Response:
SELECT Date From FROM table WHERE Position = mf AND Name = jennison myrie-williams