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_10718631_2 (no_in_series VARCHAR, no_in_season VARCHAR)
### Question:
Which episode was the number in the season where the number in the season is 10?
### Answer:
SELECT no_in_series FROM table_10718631_2 WHERE no_in_season = 10