CREATE TABLE movie (movie_id DECIMAL, title TEXT, year DECIMAL, director TEXT, budget_million DECIMAL, gross_worldwide DECIMAL)
CREATE TABLE book_club (book_club_id DECIMAL, year DECIMAL, author_or_editor TEXT, book_title TEXT, publisher TEXT, category TEXT, result TEXT)
CREATE TABLE culture_company (company_name TEXT, type TEXT, incorporated_in TEXT, group_equity_shareholding DECIMAL, book_club_id TEXT, movie_id TEXT)

Return the title and director of the movie released in the year 2000 or earlier that had the highest worldwide gross.
SELECT title, director FROM movie WHERE year <= 2000 ORDER BY gross_worldwide DESC LIMIT 1
SELECT "title", "director" FROM "movie" WHERE "year" <= 2000 ORDER BY "gross_worldwide" DESC NULLS LAST LIMIT 1