How many more English immigrants were there than Germans between 1770-1775?
return English immigrants ;return Germans ;return #1 that there  were between 1770-1775 ;return #2 that there  were between 1770-1775 ;return number of  #3 ;return number of  #4 ;return the  difference of #5 and  #6
['select', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']