question_text: Are Sandy Mayer and Billy Martin both more successful at doubles than singles, in terms of tournament wins?
decomposition: return single tournament wins from  Sandy Mayer ;return single tournament wins from  Billy Martin ;return doubles tournament wins from  Sandy Mayer ;return doubles tournament wins from  Billy Martin ;return if #1 is more than #3 ;return if #2 is more than #4 ;return which is true of #5 ,  #6