CREATE TABLE table_66372 ("Constituency number" TEXT, "Name" TEXT, "Reserved for  (  SC / ST /None ) " TEXT, "District" TEXT, "Number of electorates  ( 2009 ) " FLOAT)

What is the total number of electorates in 2009 with a constituency of 193?
SELECT COUNT("Number of electorates (2009)") FROM table_66372 WHERE "Constituency number" = '193'
SELECT COUNT("Number of electorates (2009)") FROM "table_66372" WHERE "Constituency number" = '193'