CREATE TABLE table_204_91 (id DECIMAL, "year" DECIMAL, "original title" TEXT, "english title" TEXT, "role" TEXT, "notes" TEXT)

the most films henrick malberg appeared in in one year .
SELECT COUNT("original title") FROM table_204_91 GROUP BY "year" ORDER BY COUNT("original title") DESC LIMIT 1
SELECT COUNT("original title") FROM "table_204_91" GROUP BY "year" ORDER BY COUNT("original title") DESC NULLS LAST LIMIT 1