Find the distinct student first names of all students that have grade point at least 3.8 in one course.
return students ;return grade points of #1 ;return #2 that are at least 3.8 ;return number of  #3 for each #1 ;return #1 where #4 is one ;return distinct first names of #5
['select', 'project', 'filter', 'group', 'comparative', 'project']