Show the ids and names of festivals that have at least two nominations for artworks.
return festivals ;return nominations of #1 ;return #2 for artworks ;return number of  #3 for each #1 ;return #1 where #4 is  at least two ;return ids of #5 ;return names of #5 ;return #6 ,  #7
['select', 'project', 'filter', 'group', 'comparative', 'project', 'project', 'union']