Which ethnicities account for less than 5% of the population, but more than 1%?
return ethnicities ;return %S of the  population of  #1 ;return #1 where #2 is more than 1 %  ;return #1 where #2 is less than 5 %  ;return #1 in  both #3 and  #4
['select', 'project', 'comparative', 'comparative', 'intersection']