user: ### NOW ANSWER:
Question: Which client had No GNU/Linux?
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 "Client" FROM "Table" WHERE "GNU/Linux" = 'No';