What are the name and id of the team offering the lowest average salary?
return teams ;return salaries ;return the  average #2 for each  #1 ;return #1 where #3 is  the  lowest ;return the  name of  #4 ;return the  id of  #4 ;return #5 ,  #6
['select', 'select', 'group', 'comparative', 'project', 'project', 'union']