user: Question: What Version has a Remixed by Perky Park with a Length of 6:38?
Columns: ['Version', 'Length', 'Album', 'Remixed by', 'Year']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Album version', '4:24', 'Innamoramento , Les Mots', '—', 1999.0]
SQL:

assistant: SELECT "Version" FROM "Table" WHERE "Remixed by" = 'Perky Park' AND "Length" = '6:38';