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

### Instruction:
Who entered on day 1 and exited on day 20?

### Inputs:
table_name: table, columns: ['Celebrity', 'Famous for', 'Entered', 'Exited', 'Finished']

### Response:
SELECT Celebrity FROM table WHERE Entered = day 1 AND Exited = day 20