Qual Número de eleitores (2009) tem um reservado para (SC / ST / Nenhum) de total:?
CREATE TABLE table_name_21 (number_of_electorates__2009_ VARCHAR, reserved_for___sc___st__none_ VARCHAR)
SELECT number_of_electorates__2009_ FROM table_name_21 WHERE reserved_for___sc___st__none_ = "total:"