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_2818164_4 (no_in_series INTEGER, directed_by VARCHAR, original_air_date VARCHAR)
### Question:
What is the series number for the episode directed by  jay sandrich that aired October 23, 1986?
### Answer:
SELECT MIN(no_in_series) FROM table_2818164_4 WHERE directed_by = "Jay Sandrich" AND original_air_date = "October 23, 1986"