How many more people, in terms of percentage, were White compared to Native American and African American combined?
return people ;return #1 that were White ;return #1 that were Native American  ;return #1 that were African American  ;return percentage of #2 ;return percentage of #3 ;return percentage of #4 ;return sum of #6 and  #7 ;return difference of #5 and  #8
['select', 'filter', 'filter', 'filter', 'project', 'project', 'project', 'arithmetic', 'arithmetic']