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

### Instruction:
Who are the co-drivers the risi competizione gt2 class that went under 329 laps and recorded a DNF?

### Inputs:
table_name: table, columns: ['Year', 'Team', 'Co-Drivers', 'Class', 'Laps', 'Pos.', 'Class Pos.']

### Response:
SELECT Co-Drivers FROM table WHERE Laps < 329 AND Class = gt2 AND Team = risi competizione AND Pos. = dnf