How many total points were scored for both teams in games 6 and 7 combined?
return teams ;return points scored of #1 ;return #2 in  game 6 ;return #2 in  game 7 ;return number of  #3 for each #1 ;return number of  #4 for each #1 ;return sum of #5 ;return sum of #6 ;return sum of #7 and  #8
['select', 'project', 'filter', 'filter', 'group', 'group', 'aggregate', 'aggregate', 'arithmetic']