How many more people were in Namangan than in Fergana and Marghelan?
return people ;return #1 that were in  Namangan ;return #1 that were in  Fergana ;return #1 that were in  Marghelan ;return number of  #2 ;return number of  #3 ;return number of  #4 ;return sum of #6 and  #7 ;return difference of #5 and  #8
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'arithmetic', 'arithmetic']