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

### Instruction:
Name the written by for prod code being 206

### Inputs:
table_name: table, columns: ['#', 'Original title', 'Directed by', 'Written by', 'Original air dates', 'Prod. code']

### Response:
SELECT Written by FROM table WHERE Prod. code = 206