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_45 (episode_number INTEGER, event_4 VARCHAR, event_3 VARCHAR)
### Question:
What episode had sumo ball for event 3 and the wall for event 4?
### Answer:
SELECT AVG(episode_number) FROM table_name_45 WHERE event_4 = "the wall" AND event_3 = "sumo ball"