How many cases of measles in 1886 did not result in death?
return measles ;return cases of #1 ;return #2 in  1886 ;return #3 that did result in  death ;return number of  #3 ;return number of  #4 ;return difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']