How many aquariums did Monterey Bay Aquariums beat for second place in number of visits?
return Monterey Bay Aquariums ;return visits of #1 ;return number of  #2 ;return aquariums besides  #1 ;return visits of #4 ;return number of  #5 for each #4 ;return #4 where #6 is lower than #3 ;return number of  #7
['select', 'project', 'aggregate', 'discard', 'project', 'group', 'comparative', 'aggregate']