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_88 (long INTEGER, avg_g VARCHAR, gp_gs VARCHAR)
### Question:
Name the highest Long that has an Avg/G smaller than 8.4, and an GP-GS of 4–0?
### Answer:
SELECT MAX(long) FROM table_name_88 WHERE avg_g < 8.4 AND gp_gs = "4–0"