CREATE TABLE table_2421 ("Political parties" CLOB, "% 2006" CLOB, "Seats 2006" FLOAT, "% 2001" CLOB, "Seats 2001" FLOAT, "% 1997" CLOB)

How many political parties had a %2006 rating of 43.5?
SELECT COUNT("Political parties") FROM table_2421 WHERE "% 2006" = '43.5'
SELECT COUNT("Political parties") FROM "table_2421" WHERE "% 2006" = '43.5'