CREATE TABLE table_12608 ("Constituency number" TEXT, "Name" TEXT, "Reserved for  (  SC / ST /None ) " TEXT, "District" TEXT, "Number of electorates  ( 2009 ) " FLOAT)

What district shows reserved for (SC / ST /None) of total:?
SELECT "District" FROM table_12608 WHERE "Reserved for ( SC / ST /None)" = 'total:'
SELECT "District" FROM "table_12608" WHERE "Reserved for ( SC / ST /None)" = 'total:'