CREATE TABLE table_203_562 (id NUMBER, "state" CLOB, "no. of candidates" NUMBER, "no. of elected" NUMBER, "total no. of seats in assembly" NUMBER, "year of election" NUMBER)

total number of states with elections in 2002 .
SELECT COUNT("state") FROM table_203_562 WHERE "year of election" = 2002
SELECT COUNT("state") FROM "table_203_562" WHERE "year of election" = 2002