CREATE TABLE table_20684390_1 (mccain_number VARCHAR2, obama_percentage VARCHAR2)

What is the total number of McCain vote totals where Obama percentages was 17.34%?
SELECT COUNT(mccain_number) FROM table_20684390_1 WHERE obama_percentage = "17.34%"
SELECT COUNT("mccain_number") FROM "table_20684390_1" WHERE "17.34%" = "obama_percentage"