CREATE TABLE table_73221 ("County" TEXT, "Obama%" TEXT, "Obama#" FLOAT, "McCain%" TEXT, "McCain#" FLOAT, "Others%" TEXT, "Others#" FLOAT)

How many numbers were recorded under Obama when he had 29.9% voters?
SELECT COUNT("Obama#") FROM table_73221 WHERE "Obama%" = '29.9%'
SELECT COUNT("Obama#") FROM "table_73221" WHERE "Obama%" = '29.9%'