Find the name of the company that has the least number of phone models. List the company name and the number of phone model produced by that company.
return companies ;return phone models produced by #1 ;return the   number of  #2 for each #1 ;return the   lowest of   #3 ;return #1 where #3 is  #4 ;return the   name of   #5 ;return #6 ,  #4
['select', 'project', 'group', 'aggregate', 'comparative', 'project', 'union']