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

### Instruction:
In how many episodes was Dave's team made up of David Walliams and Louis Walsh?

### Inputs:
table_name: table, columns: ['Episode', 'First broadcast', 'Seans team', 'Daves team', 'Scores']

### Response:
SELECT COUNT Episode FROM table WHERE Daves team = David Walliams and Louis Walsh