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_2156758_4 (no_in_season VARCHAR, written_by VARCHAR)
### Question:
What is the number in season for the episode written by Chris Mitchell and Erik Wiese?
### Answer:
SELECT no_in_season FROM table_2156758_4 WHERE written_by = "Chris Mitchell and Erik Wiese"