CREATE TABLE table_204_294 (id DECIMAL, "date" TEXT, "time" TEXT, "opponent#" TEXT, "rank#" TEXT, "site" TEXT, "tv" TEXT, "result" TEXT, "attendance" DECIMAL)

in 2007 , how many games did the nebraska football team play after falling from the national rankings ?
SELECT COUNT(*) FROM table_204_294 WHERE "rank#" IS NULL
SELECT COUNT(*) FROM "table_204_294" WHERE "rank#" IS NULL