CREATE TABLE table_204_7 (id DECIMAL, "#" DECIMAL, "date" TEXT, "film" TEXT, "gross" TEXT, "top ten places" TEXT)

what was the total gross of frozen when it was number one ?
SELECT SUM("gross") FROM table_204_7 WHERE "film" = 'frozen'
SELECT SUM("gross") FROM "table_204_7" WHERE "film" = 'frozen'