How many years did it take for the population in Crimea to increase from 38000 to 243400?
return Crimea ;return populations of #1 ;return #2 that are equal to 38000 ;return #2 that are equal to 243400 ;return year of #3 ;return year of #4 ;return the  difference of #6 and  #5
['select', 'project', 'filter', 'filter', 'project', 'project', 'arithmetic']