How many people claimed either English American, German American, or Arab American ancestry?
return people ;return #1 that claimed English American   ancestry ;return #1 that claimed German American   ancestry ;return #1 that claimed Arab American   ancestry ;return number of  #2 ;return number of  #3 ;return number of  #4 ;return sum of #5 ,  #6 ,   #7
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'arithmetic']