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