Return the names of products that have had complaints filed by the customer who has filed the fewest complaints.
return customers ;return complaints #1 filed ;return number of  #2 for each #1 ;return #1 where #3 is  lowest ;return complaints #4 filed ;return products of #5 ;return names of #6
['select', 'project', 'group', 'superlative', 'project', 'project', 'project']