CREATE TABLE table_203_17 (id DECIMAL, "name" TEXT, "date of death" TEXT, "ceremony" TEXT, "year" TEXT, "academy award" TEXT, "film" TEXT, "winner" TEXT)

who has been nominated for the most posthumous academy awards
SELECT "name" FROM table_203_17 WHERE "date of death" <= "year" GROUP BY "name" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "name" FROM "table_203_17" WHERE "date of death" <= "year" GROUP BY "name" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1