CREATE TABLE musical (musical_id NUMBER, name CLOB, year NUMBER, award CLOB, category CLOB, nominee CLOB, result CLOB)
CREATE TABLE actor (actor_id NUMBER, name CLOB, musical_id NUMBER, character CLOB, duration CLOB, age NUMBER)

List the name of musicals that do not have actors.
SELECT name FROM musical WHERE NOT musical_id IN (SELECT musical_id FROM actor)
SELECT "name" FROM "musical" WHERE NOT "musical_id" IN (SELECT "musical_id" FROM "actor")