What episodes did William Gibson write for "The X-Files"?
William Gibson wrote season 5's "Kill Switch" and season 7's "First Person Shooter."
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What episodes did William Gibson write for "The X-Files"?
### Input: 
### Response: William Gibson wrote season 5's "Kill Switch" and season 7's "First Person Shooter."