Return the full name and id of the actor or actress who starred in the greatest number of films.
return actors ;return actresses ;return #1 ,  #2 ;return films that #3 starred ;return number of  #4 for each #3 ;return #3 where #5 is highest ;return full name of #6 ;return id of #6 ;return #7 ,  #8
['select', 'select', 'union', 'project', 'group', 'superlative', 'project', 'project', 'union']