CREATE TABLE table_name_40 (number_of_electorates__2009_ INT, reserved_for___sc___st__none_ VARCHAR, name VARCHAR)

Name the Number of electorates (2009 which has a Reserved for ( SC / ST /None) of none, and a Name of jahanabad?
SELECT MIN(number_of_electorates__2009_) FROM table_name_40 WHERE reserved_for___sc___st__none_ = "none" AND name = "jahanabad"
SELECT MIN("number_of_electorates__2009_") FROM "table_name_40" WHERE "jahanabad" = "name" AND "none" = "reserved_for___sc___st__none_"