CREATE TABLE table_66575 ("Constituency number" TEXT, "Name" TEXT, "Reserved for  (  SC / ST /None ) " TEXT, "District" TEXT, "Number of electorates  ( 2009 ) " FLOAT)

What is reserved for the constituency of 228?
SELECT "Reserved for ( SC / ST /None)" FROM table_66575 WHERE "Constituency number" = '228'
SELECT "Reserved for ( SC / ST /None)" FROM "table_66575" WHERE "Constituency number" = '228'