What is the number in season for the episode written by Chris Mitchell and Erik Wiese?
CREATE TABLE table_2156758_4 (no_in_season VARCHAR, written_by VARCHAR)
SELECT no_in_season FROM table_2156758_4 WHERE written_by = "Chris Mitchell and Erik Wiese"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT no_in_season FROM table_2156758_4 WHERE written_by = "Chris Mitchell and Erik Wiese" </s>