CREATE TABLE table_13606924_1 (kerry__number INT, bush__percentage VARCHAR)

what is the minimum kerry # with bush % being 78.40%
SELECT MIN(kerry__number) FROM table_13606924_1 WHERE bush__percentage = "78.40%"
SELECT MIN("kerry__number") FROM "table_13606924_1" WHERE "78.40%" = "bush__percentage"