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_name_42 (motion_picture VARCHAR, year VARCHAR, award VARCHAR, actor VARCHAR)
### Question:
For what motion picture did Samuel L. Jackson win the best supporting actor award before 1997?
### Answer:
SELECT motion_picture FROM table_name_42 WHERE award = "best supporting actor" AND actor = "samuel l. jackson" AND year < 1997