Find the last name and gender of the students who are playing both Call of Destiny and Works of Widenius games.
return students ;return games of   #1 ;return #1 where #2 is Call of   Destiny ;return #1 where #2 is Works of   Widenius ;return #1 in  both #3 and  #4 ;return last names of   #5 ;return genders of   #5 ;return #6 ,  #7
['select', 'project', 'comparative', 'comparative', 'intersection', 'project', 'project', 'union']