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

### Instruction:
How many episodes have the title "episode 2"?

### Inputs:
table_name: table, columns: ['Episode', 'Title', 'Directed by', 'Written by', 'UK viewers (million)', 'Share (%)', 'Original air date']

### Response:
SELECT MIN Episode FROM table WHERE Title = "Episode 2"