user: Question: Which Mac OSX's GNU/Linux was Yes when Windows was No?
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 "GNU/Linux" = 'Yes' AND "Windows" = 'No';