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

### Instruction:
Who is the Wednesday presenter of the show Big Brother 13?

### Inputs:
table_name: table, columns: ['Series', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday']

### Response:
SELECT Wednesday FROM table WHERE Series = Big Brother 13