Which manufacturer has the most number of shops? List its name and year of opening.
return manufacturers ;return shops of  #1 ;return number of  #2 for each  #1 ;return #1 where #3 is  highest ;return name of  #4 ;return year of  opening of #4 ;return #5 ,  #6
['select', 'project', 'group', 'superlative', 'project', 'project', 'union']