For each reviewer id, what is the title and rating for the movie with the smallest rating?
return reviewers ;return id of #1 ;return ratings of #2 ;return lowest #3 for each #2 ;return title of #4 ;return rating  of #4 ;return #5 ,  #6
['select', 'project', 'project', 'group', 'project', 'project', 'union']