user: Question: Which Mac OSX had No haiku and a client that was DC++?
Columns: ['Client', 'Windows', 'GNU/Linux', 'Mac OS X', 'Haiku']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['AirDC++', 'Yes', 'No', 'No', 'No']
SQL:

assistant: SELECT "Mac OS X" FROM "Table" WHERE "Haiku" = 'No' AND "Client" = 'DC++';