Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_15739098_1 (episode INTEGER, adapted_by VARCHAR)
### Question:
Name the msot episode that was adapted by leon griffiths
### Answer:
SELECT MAX(episode) FROM table_15739098_1 WHERE adapted_by = "Leon Griffiths"