CREATE TABLE table_30947 ("Episode" FLOAT, "Broadcast date" CLOB, "Guest ( s ) " CLOB, "Singer ( s ) " CLOB, "Comedian" CLOB, "Ratings" CLOB)

Name the number of ratings for bruce forsyth
SELECT COUNT("Ratings") FROM table_30947 WHERE "Guest(s)" = 'Bruce Forsyth'
SELECT COUNT("Ratings") FROM "table_30947" WHERE "Guest(s)" = 'Bruce Forsyth'