How many engineer visits are required at most for a single fault log? List the number and the log entry id.
return fault logs ;return engineer visits that  was required for #1 ;return the  number of  #2 for each #1 ;return the  highest of #3 ;return #1 where #3 was the  highest ;return the  log  entry id of #5 ;return #6 ,  #4
['select', 'project', 'group', 'aggregate', 'comparative', 'project', 'union']