How many more whites lived in Lassen County in 2010 compared to African Americans?
return Lassen County ;return whites of #1 ;return African Americans of #1 ;return #2 in  2010 ;return #3 in  2010 ;return number of  #4 ;return number of  #5 ;return the  difference of #6 and  #7
['select', 'project', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']