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

### Instruction:
What date did the episode that was written by Fintan Ryan originally air?

### Inputs:
table_name: table, columns: ['Episode #', 'Title', 'Directed by', 'Written by', 'Originalairdate', 'Ratings']

### Response:
SELECT Originalairdate FROM table WHERE Written by = Fintan Ryan