For the problem with id 10, return the ids and dates of its problem logs.
return problems ;return ids of  #1 ;return #1 where  #2 is  10 ;return problem logs of  #3 ;return ids of  #4 ;return dates of  #4 ;return #5 ,   #6
['select', 'project', 'comparative', 'project', 'project', 'project', 'union']