CREATE TABLE table_204_55 (id DECIMAL, "date" TEXT, "time" TEXT, "opponent#" TEXT, "rank#" TEXT, "site" TEXT, "tv" TEXT, "result" TEXT, "attendance" DECIMAL)

how many times was the game aired on nbc ?
SELECT COUNT(*) FROM table_204_55 WHERE "tv" = 'nbc'
SELECT COUNT(*) FROM "table_204_55" WHERE "tv" = 'nbc'