CREATE TABLE table_name_21 (year INT, title VARCHAR, category VARCHAR)

What is the earliest year in which Requiem for a Dream was in the running for Best Director?
SELECT MIN(year) FROM table_name_21 WHERE title = "requiem for a dream" AND category = "best director"
SELECT MIN("year") FROM "table_name_21" WHERE "best director" = "category" AND "requiem for a dream" = "title"