CREATE TABLE table_13681 ("Constituency number" TEXT, "Name" TEXT, "Reserved for  (  SC / ST /None ) " TEXT, "District" TEXT, "Number of electorates  ( 2009 ) " FLOAT)

Which Number of electorates (2009) has 188 Constituents?
SELECT "Number of electorates (2009)" FROM table_13681 WHERE "Constituency number" = '188'
SELECT "Number of electorates (2009)" FROM "table_13681" WHERE "Constituency number" = '188'