<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>What are the title and director of the films without any schedule?

SQL Table Create Statement:
CREATE TABLE schedule (title VARCHAR, directed_by VARCHAR, film_id VARCHAR); CREATE TABLE film (title VARCHAR, directed_by VARCHAR, film_id VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT title, directed_by FROM film WHERE NOT film_id IN (SELECT film_id FROM schedule)</codeend><|end|>