Which apartment type code is the most common among apartments with more than one bathroom?
return apartments ;return bathrooms of #1 ;return number of  #2 for each #1 ;return #1 where #3 is higher than one ;return apartment type codes of #4 ;return number of  #4 for each #5 ;return #5 where #6 is highest
['select', 'project', 'group', 'comparative', 'project', 'group', 'superlative']