CREATE TABLE table_69554 ("Year" FLOAT, "Song" TEXT, "Work done" TEXT, "Artist ( s ) " TEXT, "Album" TEXT)

Which 2006 Cobra Starship song has work done of guest vocals?
SELECT "Song" FROM table_69554 WHERE "Work done" = 'guest vocals' AND "Year" = '2006' AND "Artist(s)" = 'cobra starship'
SELECT "Song" FROM "table_69554" WHERE "Artist(s)" = 'cobra starship' AND "Work done" = 'guest vocals' AND "Year" = '2006'