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

### Instruction:
When were episodes first broadcast with jessica ennis as andrew and jacks guest?

### Inputs:
table_name: table, columns: ['Episode', 'First broadcast', 'Andrew and Jacks guest', 'Jamies guests Peter Crouch replaced Jamie Redknapp as team captain for one week in series 5, episode 2.', 'Scores']

### Response:
SELECT First broadcast FROM table WHERE Andrew and Jacks guest = Jessica Ennis