Did more Slovaks identify themselves as Protestant or as Roman Catholics in 2011?
return Slovaks ;return #1 that identify themselves as Protestant in  2011 ;return #1 that identify themselves as Roman Catholics in  2011 ;return number of  #2 ;return number of  #3 ;return which is more of #4 ,  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']