CREATE TABLE made_by (id NUMBER, msid NUMBER, pid NUMBER)
CREATE TABLE genre (gid NUMBER, genre CLOB)
CREATE TABLE tags (id NUMBER, msid NUMBER, kid NUMBER)
CREATE TABLE movie (mid NUMBER, title CLOB, release_year NUMBER, title_aka CLOB, budget CLOB)
CREATE TABLE writer (wid NUMBER, gender CLOB, name CLOB, nationality CLOB, birth_city CLOB, birth_year NUMBER)
CREATE TABLE tv_series (sid NUMBER, title CLOB, release_year NUMBER, num_of_seasons NUMBER, num_of_episodes NUMBER, title_aka CLOB, budget CLOB)
CREATE TABLE directed_by (id NUMBER, msid NUMBER, did NUMBER)
CREATE TABLE written_by (id NUMBER, msid NUMBER, wid NUMBER)
CREATE TABLE producer (pid NUMBER, gender CLOB, name CLOB, nationality CLOB, birth_city CLOB, birth_year NUMBER)
CREATE TABLE actor (aid NUMBER, gender CLOB, name CLOB, nationality CLOB, birth_city CLOB, birth_year NUMBER)
CREATE TABLE keyword (id NUMBER, keyword CLOB)
CREATE TABLE copyright (id NUMBER, msid NUMBER, cid NUMBER)
CREATE TABLE company (id NUMBER, name CLOB, country_code VARCHAR2)
CREATE TABLE classification (id NUMBER, msid NUMBER, gid NUMBER)
CREATE TABLE cast (id NUMBER, msid NUMBER, aid NUMBER, role CLOB)
CREATE TABLE director (did NUMBER, gender CLOB, name CLOB, nationality CLOB, birth_city CLOB, birth_year NUMBER)

List all the directors of movies about nuclear weapons
SELECT director.name FROM directed_by, director, keyword, movie, tags WHERE director.did = directed_by.did AND keyword.keyword = 'nuclear weapons' AND movie.mid = directed_by.msid AND tags.kid = keyword.id AND tags.msid = movie.mid
SELECT "director"."name" FROM "directed_by" JOIN "director" ON "directed_by"."did" = "director"."did" JOIN "movie" ON "directed_by"."msid" = "movie"."mid" JOIN "tags" ON "movie"."mid" = "tags"."msid" JOIN "keyword" ON "keyword"."id" = "tags"."kid" AND "keyword"."keyword" = 'nuclear weapons'