CREATE TABLE table_64782 ("Constituency number" TEXT, "Name" TEXT, "Reserved for  (  SC / ST /None ) " TEXT, "District" TEXT, "Number of electorates  ( 2009 ) " FLOAT)

What's the reserved number for constituency number 108?
SELECT "Reserved for ( SC / ST /None)" FROM table_64782 WHERE "Constituency number" = '108'
SELECT "Reserved for ( SC / ST /None)" FROM "table_64782" WHERE "Constituency number" = '108'