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

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