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

### Instruction:
What is the total difference for teams that played less than 6 games?

### Inputs:
table_name: table, columns: ['Club', 'Played', 'Lost', 'Drawn', 'Against', 'Diff.', 'Points']

### Response:
SELECT SUM Diff. FROM table WHERE Played < 6