Show the people that have been comptroller the most times and the corresponding number of times.
return people ;return the   times  #1 have been comptroller ;return the   number of  #2 for each #1 ;return the   highest of #3 ;return #1 where #3 is  #4 ;return #5 ,  #4
['select', 'project', 'group', 'aggregate', 'comparative', 'union']