CREATE TABLE table_63407 ("Constituency number" TEXT, "Name" TEXT, "Reserved for  (  SC / ST /None ) " TEXT, "District" TEXT, "Number of electorates  ( 2009 ) " FLOAT)

What district has 98 constituencies?
SELECT "District" FROM table_63407 WHERE "Constituency number" = '98'
SELECT "District" FROM "table_63407" WHERE "Constituency number" = '98'