Question: What is every value for  % 40-59 if  % 60-74 is 12,40%?
Schema: create table table_23606500_4 (_percentage_40_59 varchar, _percentage_60_74 varchar, PRIMARY KEY (_percentage_40_59))
SQL: select _percentage_40_59 from table_23606500_4 where _percentage_60_74 = "12,40%"