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

### Instruction:
What was the title of the episode where reg lacey (aka mr. b) played the villain?

### Inputs:
table_name: table, columns: ['Episode Number', 'Title', 'Villains', 'Director', 'Writer', 'Original airdate']

### Response:
SELECT Title FROM table WHERE Villains = Reg Lacey (AKA Mr. B)