What are the names of each scientist, the names of the projects that they work on, and the hours for each of those projects, listed in alphabetical order by project name, then scientist name.
return scientists ;return name  of   #1 ;return projects  of   #1 ;return name  of   #3 ;return hours of   #3 ;return #2 ,    #4 ,  #5 ;return #6 sorted by #4 ,    #2
['select', 'project', 'project', 'project', 'project', 'union', 'sort']