Show names of companies and that of employees in descending order of number of years working for that employee.
return companies ;return names of   #1 ;return employees of   #1 ;return years working of   #3 ;return number of  #4 for each #3 ;return names of   #3 ;return #2 ,  #6 sorted by #5 in  descending order
['select', 'project', 'project', 'project', 'group', 'project', 'sort']