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

### Instruction:
Which 2006 Cobra Starship song has work done of guest vocals?

### Inputs:
table_name: table, columns: ['Year', 'Song', 'Work done', 'Artist(s)', 'Album']

### Response:
SELECT Song FROM table WHERE Work done = guest vocals AND Year = 2006 AND Artist(s) = cobra starship