Were there more d-screens in Asia or in the United States and Canada?
return d-screens ;return #1 in  Asia ;return #1 in  the  United States ;return #1 in  Canada ;return number of  #2 ;return number of  #3 ;return number of  #4 ;return sum of #6 and  #7 ;return which is highest of #5 ,  #8
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'arithmetic', 'comparison']